• Honey colored prismatic crystals of Haineaulite with square, orthorhombic cross-sections to 2mm associated with purple Fluorite and white or colorless Natrolite. (dakotamatrix.com)
  • mainly plate tablet lamellar, rarer prismatic crystals. (org.ua)
  • It can occur in various crystal forms - it can be in the form of small prismatic crystals, stalactites, masses, or in spherical aggregates. (stonebridgeimports.com)
  • However, large crystals are often twinned growths from pseudohexagonal crystals , while prismatic crystals often have a hexagonal shape as a result of the twinning of the other crystals. (stonebridgeimports.com)
  • It appears as long or short prismatic crystals, flattened and transparent. (gem5.com)
  • The Jeffrey Mine (Abestos, Quebec) is the site that has produced the finest prismatic crystals, greenish white, perfectly formed. (le-comptoir-geologique.com)
  • Crystal habits include generally prismatic crystals with a diamond-shaped cross-section. (jalokivitukku.com)
  • Slender prismatic crystals. (thepointoflight.ca)
  • The crystals seem to be made up of stacked platelets of the mineral, so the prism faces are heavily ridged. (galleries.com)
  • Unlike beryl, in which the mineral can be identified by color and crystal structure, bertrandite mineralization cannot be recognized by the naked eye. (jxscmachine.com)
  • Thus, the fluorescent mineral is characterized by a specific kind of atom (called activator element) in their crystal lattices which gets excited to a higher energy state when the minerals are subjected to UV rays or X-rays, or electron beams. (unfoldanswers.com)
  • Calcite is a carbonate mineral and its atoms are organized in a hexagonal (rhombohedral) crystal system. (unfoldanswers.com)
  • Corundum is an oxide mineral whose atoms are placed in the framework of a hexagonal crystal system. (unfoldanswers.com)
  • Sillimanite is found as brown, grayish, pale green or white orthorhombic mineral with long slender, needle shaped crystals. (industry.guru)
  • Cleavage: Breakage of a mineral along planes of weakness in the crystal structure. (8shbet0.com)
  • Forsterite is associated with igneous and metamorphic rocks and has also been found in meteorites.In 2005 it was also found in cometary dust returned by the Cleavage: Breakage of a mineral along planes of weakness in the crystal structure. (8shbet0.com)
  • Flask Best Wsgi Server, Known to the ancient Greeks as (admas, 'proper, unalterable, unbreakable') and sometimes called adamant, diamond is the hardest known naturally occurring material, and serves as the definition of 10 on the Mohs scale of mineral hardness.Diamond is extremely strong owing to its crystal structure, known as diamond cubic, Karelia, Russia. (8shbet0.com)
  • Prehnite, Ca 2 Al 2 Si 3 O 1 0(OH) 2 , is a green to grayish-white or colorless orthorhombic mineral occurring as granular masses and crystal aggregates, having a specific gravity of 2.90 to 2.95 and a hardness of 6 to 6.5 on the Mohs scale. (dperkins.org)
  • Barite is a colourless or white mineral consisting of barium sulphate in orthorhombic crystalline form, occurring in sedimentary rocks and with sulphide ores: a source of barium. (org.ua)
  • Later on, zoisite, in combination with ruby known as anyolite , was claimed to be a naturally fortunate mineral crystal as they can emanate energy fields that promotes growth and fertility in all aspects of life. (essence-of-mineral-makeup.com)
  • Would love to share the monthly Mineral Essence E-zine featuring a crystal perscription that will naturally ease your physical, emotional, mental or spiritual malady and help you feel beautiful. (essence-of-mineral-makeup.com)
  • Cerussite is an interesting and fascinating mineral with all of its varied crystal forms, colors and luster. (undergroundtreasures.com)
  • The mineral crystallizes in the orthorhombic system (which means it consists of crystals with three perpendicular axes varying in length). (stonebridgeimports.com)
  • Note: There is no scientific evidence that supports the effectiveness of mineral stones and crystals in treating ailments. (stonebridgeimports.com)
  • Aragonite is a carbonate mineral, one of the two common, naturally occurring, crystal forms of calcium carbonate, CaCO3. (absoluteastronomy.com)
  • Crystals are rare, they are sought after by collectors, it is also a mineral cut for jewelry, including cabochons or also used as an ornamental stone. (le-comptoir-geologique.com)
  • Danburite is a calcium boron silicate mineral classified as a tectosilicate within the orthorhombic crystal system. (rockngem.com)
  • It looks like fracture, but under a magnifying lens you can see the tiny, crystal-like cleavage. (8shbet0.com)
  • Instead, olivine crystals typically fracture in an irregular manner at ambient conditions. (8shbet0.com)
  • The fracture is uneven to conchoidal and the streak is white or colorless. (jalokivitukku.com)
  • It has a milky-white coloration and a dull pearly-to-vitreous luster, and is very dimly transparent. (galleries.com)
  • White topaz, a transparent semiprecious stone, has often been mistaken for a diamond due to its sparkling and brilliant luster. (gemselections.in)
  • Both anhydrite and gypsum are often white, with a white streak and glassy luster. (gemrockauctions.com)
  • Otavite crystallizes in the trigonal system and forms encrustations and small scalenohedral crystals that have a pearly to adamantine luster. (absoluteastronomy.com)
  • At Mohs hardness 7 to 7.5, danburite is fairly hard and can be faceted into gemstones with a vitreous luster, although cut stones may lack the "fire" of, say, a truly fine topaz crystal. (rockngem.com)
  • It crystallizes in the orthorhombic crystal structure with 6 - 7 hardness according to Mohs hardness scale. (danugroup.lk)
  • Witherite crystallizes in the orthorhombic system and virtually always is twinned. (absoluteastronomy.com)
  • It crystallizes in the orthorhombic system in translucent lathlike, elongated, commonly radiating in fibrous, and in pulverulent, earthy to very fine-grained dense masses. (absoluteastronomy.com)
  • Identified due to it's well-formed crystals, basal cleavage and relatively high clarity. (uluna.com.au)
  • With no planes of weakness there is no cleavage, and because the crystals grow outward in all directions from a tetrahedral seed they are granular. (8shbet0.com)
  • Transparency crystals are transparent to usually translucent. (galleries.com)
  • Anhydrite is a pale, translucent crystal also known as angelite. (gemrockauctions.com)
  • Prehnite is calcium alumosilicate that forms in transparent colorless to translucent yellow, yellow-green, and blue-green orthorhombic crystals. (arkadia.cc)
  • Transparent to translucent, the prehnite is colorless to yellowish-white and often pale green. (le-comptoir-geologique.com)
  • Translucent colorless crystalline calciborite. (mindat.org)
  • Aragonite crystals are found in massive, compact, granular or radially fibrous textures. (thecoffeeparlor.com)
  • Granular - Generally occurs as anhedral to subhedral crystals in matrix. (webmineral.com)
  • The symmetry of the crystal will appear hexagonal but is still orthorhombic. (galleries.com)
  • Crystal Habits include a pseudo-hexagonal trilling twin which forms a six-sided prism, usually with a slanted, tapering pyramid. (galleries.com)
  • This off-white pair of intergrown hexagonal columnar crystals is one of the neater specimens that I have seen come from the Cave-In-Rock locality of Illinois. (galleries.com)
  • Willemite belongs to the silicate group of minerals and has a hexagonal crystal system. (unfoldanswers.com)
  • Apatite series are examples of phosphates and are present in a hexagonal crystal system. (unfoldanswers.com)
  • Uniaxial minerals are a class of anisotropic minerals that include all minerals that crystallize in the tetragonal and hexagonal crystal systems. (8shbet0.com)
  • Pseudo Hexagonal - Crystals show a hexagonal outline. (webmineral.com)
  • It occurs as blue green, colorless, gray, yellow to white crystals in the orthorhombic - pyramidal crystal system. (pinterest.com)
  • Scheelite is a member of the tungstate and molybdate group and its crystal system is tetragonal. (unfoldanswers.com)
  • Its crystal system is isometric and colorless. (unfoldanswers.com)
  • Wollastonite is a silicate and has a triclinic crystal system. (unfoldanswers.com)
  • Zoisite is a rhombic crystal system that was named after Baron S. Zois van Endelstein, the person who discovered its capacity to transmute negative energies into positive ones. (essence-of-mineral-makeup.com)
  • The crystal system for Cerussite is orthorhombic, and its crystal forms are extremely varied with many unique, interesting and complex habits. (undergroundtreasures.com)
  • Dispellers are crystals that form in the orthorhombic crystal system. (thecoffeeparlor.com)
  • Euclase is a silicate with a monoclinic crystal system. (gem5.com)
  • Schorl is the black, opaque, sodium iron rich variety of Tourmaline, a complex borosilicate with a trigonal crystal system. (gem5.com)
  • Sillimanite is a grayish-blue aluminum silicate with an orthorhombic crystal system. (gem5.com)
  • T opaz is colourless in its natural state and achieves colour though trace element impurities. (uluna.com.au)
  • A purple variety of quartz, Amethyst owes its violet colour to irradiation, iron impurities and the presence of trace elements, which result in complex crystal lattice substitutions. (gielab.com)
  • The colour of the zones visible are due to differing oxidation states of iron within the crystal. (gielab.com)
  • Colourless to white in colour. (thepointoflight.ca)
  • These crystals show delicate inclusions, high lustre and beautifully display their orthorhombic form. (uluna.com.au)
  • one can see where the line of growth was, and that the crystals started out a milky-white color and almost plumose in form, fading to blue as they grew. (galleries.com)
  • In addition to colorless or milky-white varieties, it sometimes is yellow, golden-yellow, yellowish-brown, beige or tan, or peachy pink, and such colored specimens make for wonderful faceted gems. (rockngem.com)
  • A substantial portion of one of the crystals is missing, but seems to have undergone some healing, possibly with calcite or aragonite. (galleries.com)
  • In ancient times, crystal healers used Aragonite crystals to convert negative energies into positive energies. (stonebridgeimports.com)
  • Aragonite crystals were also believed to heal chronic fatigue, fight hair loss, increase energies, and enhance self-confidence. (stonebridgeimports.com)
  • Spanish monks used Aragonite crystals in their rosaries believing it can clear the mind and increase mental energy which is necessary for tackling challenges. (stonebridgeimports.com)
  • Aragonite comes in a range of colors, including brown, white, pink, the reddish-brown Aragonite Star Clusters and the blue color. (thecoffeeparlor.com)
  • Aragonite is a Dispeller Builder crystal. (thecoffeeparlor.com)
  • Its most prevalent form is as prismatic and tabular crystals, and its crystals commonly twin to from unique shapes such as star, heart, sixlings (six interconnected crystals joined at the base, forming a six-pointed formation), and v-shaped twins. (undergroundtreasures.com)
  • It is rare in prismatic or tabular crystals and commonly forms crystalline reniform to stalactitic associations, its most common facies being the grouping of flattened crystals forming half-spheres or helmets. (le-comptoir-geologique.com)
  • At least five excellent light yellow orthorhombic prisms with square outline. (dakotamatrix.com)
  • Pure Fluorite is colorless, but its impurities might let it fluoresce in a diverse array of colors from yellow and green to bluish-black and brown. (unfoldanswers.com)
  • Calcite mostly fluoresces in red, yellow, or pink, its fluorescence is the result of the presence of Manganese (Mn) atoms in its crystal lattice. (unfoldanswers.com)
  • Optically, it is subhedral, elongated, colourless and non-pleochroic (or colourless to pale brownish yellow) in plane polarized light. (industry.guru)
  • Usually they are transparent and colourless, but can also be white or painted in various colors (honey mead-yellow is typical, gold, pink, rose and azure sky-blue). (org.ua)
  • Large yellow crystals acted from the mine of Barega near-by Niksusa (Sardinia). (org.ua)
  • Some Stones show strong Pleochroism such as colorless to green, colorless, pale brownish yellow, pale yellowish green, pale brownish green and green. (danugroup.lk)
  • It is normally colorless to very light pink in color but some deposits may produce stones which can be shades of yellow or brown. (jalokivitukku.com)
  • When exposed to UV radiation, scheelite glows in white or bluish-white color due to the substitution of Tungsten (W) for Molybdenum (Mo). (unfoldanswers.com)
  • Usually barytes forms vast in size dense or grainy opaque accumulations of white color. (org.ua)
  • Simple matter a barium is a soft, malleable alkaline-earth metal of silvery-white color. (org.ua)
  • This carbonate gemstone is usually colorless or white in color. (thecoffeeparlor.com)
  • Danburite sometimes exhibits a blue-white to bright sky-blue color under longwave ultraviolet light and also exhibits phosphorescence. (rockngem.com)
  • All sides of this specimen are encrusted with rust-red color orthorhombic crystals, most of which have distinct form and are coated with a sparkling druse of tiny crystals that seem to be a second generation of transparent colorless Hopeite. (wellarrangedmolecules.com)
  • The Tarbuttite is very sharp and in distinct crystals, the Pyromorphite has the unusual habit of pointed pinacoid terminations (many are doubly terminated) and are color zoned with a transparent area in the center. (wellarrangedmolecules.com)
  • An older specimen of a habit that has not been available for some time, the crystal forms are quite distinct and have a good deep green color. (wellarrangedmolecules.com)
  • Calcium Stearate Emulsion: Calcium stearate The white powder has the molecular compound C36H70CAO4 and is not soluble in water. (mis-asia.com)
  • White to cream-colored powder, colorless or dark green orthorhombic crystals, or dark red monoclinic crystals. (drugfuture.com)
  • The calcium hydroide produced is an off white crystalline powder. (psp-vault.com)
  • Colorless orthorhombic crystal or white amorphous powder. (pairshorseschem.com)
  • It is produced by domestic advanced chemical precipitation process, with superior physical properties, less mechanical impurities, extremely uniform fineness, amorphous white powder, non-toxic, insoluble in water, soluble in fuming sulfuric acid, slightly soluble in boiling The hydrochloric acid is chemically stable, and it is thermally reduced to barium sulfide with carbon. (pairshorseschem.com)
  • industrial products come in gray, orthorhombic and powder forms. (tungstenmolybdenummetals.de)
  • Sodium Sulfate Anhydrous chemical compound is generally present in white crystalline powder form. (pciplindia.com)
  • Sodium Sulfate Anhydrous is also present physically in dry powder, pellets, large crystals, and wet solid. (pciplindia.com)
  • The structure of the dry powder compound is orthorhombic bipyramidal crystals. (pciplindia.com)
  • The particles are basically colourless crystals and are fine-white like a crystalline powder. (pciplindia.com)
  • It is made from a porous white crystalline powder. (evchargingsolutions.be)
  • Cassiterite may form as short or slender prismatic, or bipyramidal, elbow-shaped crystals. (gem5.com)
  • Crystals are generally four-sided, and their terminations are usually chisel-shaped. (london-fossils-crystals.co.uk)
  • It is found in beautifully formed crystals, often with complex terminations. (gem5.com)
  • Prehnite has a fascinating crystal formation and the individual crystals sometimes form as perfectly round balls or cylindrical fingers with rounded terminations. (arkadia.cc)
  • Well shaped and clean crystal terminations over twenty-five carats are rare and most pieces are average around ten carats. (jalokivitukku.com)
  • Crystal Habits include flatten tabular to box shaped crystals, but good crystals are rare. (galleries.com)
  • Two habits of Tarbuttite crystals are contrasted by distinctive green Pyromorphites. (wellarrangedmolecules.com)
  • Like fluorite, pure calcite is colorless. (unfoldanswers.com)
  • We can also point out the Calvinia deposit (South Africa) where calcite crystals pseudomorph after prehnite can reach 50 cm, and Djebel Melh in southern Morocco which provided beautiful pale green crystallizations exceeding 4 cm. (le-comptoir-geologique.com)
  • CaH2 is a Gray/white crystal that can be blocky or crystallized. (mis-asia.com)
  • Thinly cut slices of these meteorites are extremely attractive with the polished steel gray of the iron and the embedded grains of gemmy green forsterite crystals. (galleries.com)
  • Some meteoritic forsterite/olivine crystals have been cut into gems. (galleries.com)
  • Usually, the crystals and gems for sale are glacier-blue or lilac, with snowy specks. (gemrockauctions.com)
  • 4 An olivine crystal is normally a roundish lump 2 mm or less across. (8shbet0.com)
  • The two minerals form a series where the iron and magnesium are substitutable for each other without much effect to the crystal structure. (galleries.com)
  • Minerals are characterized by the internal arrangement of atoms in their crystal lattices. (unfoldanswers.com)
  • Golden brown to brown, highly lustrous, pseudo-octahedral crystals of reddinite. (webmineral.com)
  • This Broken Hill (Kabwe Mine) piece has lustrous, gemmy clear and very sharp crystals that are in fine condition overall and contrast with the matrix well. (wellarrangedmolecules.com)
  • A rosette of sharp and lustrous Libethenite crystals in a shallow vug that shows very well. (wellarrangedmolecules.com)
  • A gorgeous brown topaz crystal from the Mogok region of Burma. (pinterest.com)
  • When cut parallel to its base, this tourmaline exhibits a rose-red center, a very thin colorless band parallel to the surface of the crystal, and a brown or green outer layer. (gem5.com)
  • Brown crystals of reddingite on matrix. (webmineral.com)
  • It often forms in stalactitic aggregates of globular bubbly crystals clusters. (arkadia.cc)
  • La Combe de la Selle near Bourg d'Oisans (Isère) is famous for its lamellar crystals with rhombic contours, and its hemispherical aggregates "in helmets" (right picture) with sometimes a diameter of more than 5 cm and often associated with asbestos. (le-comptoir-geologique.com)
  • Barite rarely is presented the isolated crystals. (org.ua)
  • Danburite is a calcium borosilicate crystal, it s name is derived from it s original discovery in Danbury, Connecticut, USA. (london-fossils-crystals.co.uk)
  • However, "cleaner" colorless varieties tend to be more highly sought and valued. (rockngem.com)
  • Hambergite is an often colorless gemstone named in honor of Swedish mineralogist A. Hamberg. (gemstones.com)
  • Nice clear blue Celestine crystals to 2cm filling a large open space in matrix. (dakotamatrix.com)
  • It is colorless, white, green, or blue, commonly a pale aquamarine or green, but crystals of a very fine dark blue (from iron) have been found at the Miami mine in Zimbabwe. (gem5.com)
  • The finest crystals of colorless, blue and green gem-quality euclase have been mined near Ouro Prieto, Minas Gerais (Brazil). (gem5.com)
  • Since 1994, a Russian laboratory has perfected the industrial production of bicoloured quartz crystals, that are later irradiated in order to bring out the typical ametrine colours. (gielab.com)
  • This small thumbnail specimen contains the finest Witherite crystal that I have seen in my travels. (galleries.com)
  • Rarely is a specimen flawless, and it can be easily confused with colorless quartz since they are similar in appearance. (gemstones.com)
  • Many beautifully clear and well-formed crystals are currently on the specimen market from Charcas, Mexico. (rockngem.com)
  • Crystalline - Fine - Occurs as well-formed fine sized crystals. (webmineral.com)
  • An open cavity fully lined with sharp, clear Tarbuttite crystals and with close exam some white acicular Scholzite crystals. (wellarrangedmolecules.com)
  • It forms colorless to white orthorhombic crystals. (wikipedia.org)
  • All the forms of sodium sulfate have good solubility in water and white appearance. (pciplindia.com)
  • All species of garnets have similar physical properties and crystal forms, however they differ in chemical composition. (gielab.com)
  • All three have the same chemical compound but their atoms each arrange to create three different crystal forms. (gem5.com)
  • Appearance This compound appears white when it is in its purest form. (psp-vault.com)
  • The purest form of Topaz, this sparkling crystal connects the throat, third eye and crown bringing about an expansion of our authentic self. (uluna.com.au)
  • Rock Crystal is the purest water-clear and colorless from of Quartz. (gem5.com)
  • Purest white form has an Ethereal quality & is said to inhabit the place between light & matter. (thepointoflight.ca)