Asbestos is the name given to a group of six different fibrous minerals (amosite, chrysotile, crocidolite, and the fibrous varieties of tremolite, actinolite, and anthophyllite) that occur naturally in the environment. (cdc.gov)
One can see a few of the larger green actinolite needles at the tip of the crystal, while the base is filled with a dense fibrous fabric of actinolite. (quartzpage.de)
Old name applied to any fibrous asbestos mineral of the amphibole group , specifically Tremolite and Actinolite . (minerals.net)
The term is very commonly used to describe the fibrous form of Chrysotile Serpentine , and may also be used in regards to the fibrous variety of Tremolite or Actinolite . (minerals.net)
Describes any finely fibrous mineral of the amphibole group , especially Tremolite and Actinolite . (minerals.net)
Actinolite or Tremolite composed of tiny, interwoven, fibrous crystals that forms a tough, hairlike mass. (minerals.net)
Name applied to fibrous minerals of the amphibole group (such as Tremolite or Actinolite ) composed of a matlike felt of fiber s that is leathery in books texture and feel. (minerals.net)
The finely fibrous variety of Actinolite is occasionally used for industrial asbestos . (minerals.net)
Although fibrous Serpentine is the main source of asbestos, Actinolite and Tremolite are also asbestos producers. (minerals.net)
Typically darker in colour, actinolite can be "dense and compact" or "brittle and fibrous. (bpic.com.au)
A type of amphibole silicate mineral, actinolite usually comes from metamorphic rock. (realestateinfoguide.com)
Fibrous pale green actinolite in matrix of andradite. (mindatnh.org)
Amosite9
Asbestos, particularly the types of amphibole asbestos known as crocidolite and amosite asbestos, is the principal carcinogen implicated in the pathogenesis of malignant pleural mesothelioma. (medscape.com)
The amphibole fibers (crocidolite and amosite) are more potent causes of lung cancer and mesothelioma. (haz-map.com)
Sullivan, p. 1219-22] "While all forms of asbestos have been determined to cause mesothelioma, there is evidence that the quantitative risk of mesothelioma varies with asbestos fibre type, with higher unit risks usually observed for exposure to commercial amphibole asbestos minerals (mainly amosite and crocidolite) than for exposure to chrysotile asbestos. (haz-map.com)
They include the amphibole and serpentine minerals chrysotile (white asbestos), crocidolite, amosite, anthophyllite and Tremolite. (xuezdh.com)
Crocidolite amosite, tremolite and crocidolite are the most common forms of amphibole. (xuezdh.com)
3. Amosite (brown asbestos) - also known as fibrous grunerite - was discovered in 1907 in South Africa. (etdtraining.com)
Amosite has a needle-like texture and contains amphibole minerals. (etdtraining.com)
2010. Effect of Size Fractionation on the Toxicity of Amosite and Libby Amphibole Asbestos. (cdc.gov)
Chrysotile11
PMID 19001953 ] Chrysotile fibers are much more easily cleared from the lungs by macrophages than amphibole fibers. (haz-map.com)
Chrysotile is associated with mesothelioma when "highly contaminated with amphiboles. (haz-map.com)
One of these, namely chrysotile, belongs to the serpentine family of minerals, while all of the others belong to the amphibole family. (cdc.gov)
All forms of asbestos are hazardous, and all can cause cancer, but amphibole forms of asbestos are considered to be somewhat more hazardous to health than chrysotile. (cdc.gov)
Amphibole asbestos fibers are generally brittle and often have a rod- or needle-like shape, whereas chrysotile asbestos fibers are flexible and curved. (cdc.gov)
4) This theory is not accepted universally and although the amphiboles are thought to pose the greatest risk, chrysotile is still thought to present a risk of mesothelioma. (radiologytutor.com)
Chrysotile, a gold-colored brownish mineral that is soft and appears like threads is a fibrous mineral. (xuezdh.com)
Unlike the serpentine asbestos (chrysotile), the amphibole asbestos has long straight chain-like fibres which are brittle and more dangerous when inhaled. (xuezdh.com)
Asbestos is a name used for fine fibrous (asbestiform) forms of (usually) amphibole or serpentine (chrysotile). (mineral-forum.com)
The fibrous-asbestiform variety of serpentine is called chrysotile. (haciendarual.es)
These fibrous minerals fit into 2 categories Serpentine - curly or snake like (Chrysotile) and Amphibole - Straight and needle like (All other types). (forthasbestos.co.uk)
Serpentine4
The two main groups of asbestos mineral are serpentine and amphiboles. (top500.de)
Yet a third type of amphibole mineral is anthophyllite, which is a magnesium ion inosilicate hydroxide. (realestateinfoguide.com)
Minerals17
Asbestos mineral relates to certain minerals that have a fibrous structure , are heat resistant and chemically inert, possess high electrical insulating qualities , and are of sufficient flexibility to be woven. (top500.de)
However, because they are not fibrous, they are not classified as asbestos minerals. (cdc.gov)
Amphiboles are an important group of minerals found in medium to high temperature environments, and some of them are rock-forming minerals. (quartzpage.de)
Amphibolite is a type of rock chiefly comprised of minerals from the amphibole group. (fsu.edu)
The key components of amphibolites, amphiboles, are a group of extremely diverse, widely prevalent rock-forming silicate minerals. (fsu.edu)
Amphibole Quartz Crystals are loaded with fibrous, hair-like inclusions, ranging from Red to Grey / Silver and mostly consisting of Limonite, Hematite, Kaolinite, Lithium and other minerals. (innervisioncrystals.net)
Asbest is composed of six different types of fibrous silicate minerals. (xuezdh.com)
Some of these varieties are also varieties of other amphibole minerals, especially Tremolite . (minerals.net)
Amphibolite, a rock composed largely or dominantly of minerals of the amphibole group. (haciendarual.es)
Amphibole, a complex mineral group, encompasses a variety of minerals characterized by their fibrous and prismatic crystal structures. (hovaveart.com)
Embrace Diversity: Just as amphibole consists of various minerals, our lives are enriched when we welcome diversity in our experiences, relationships, and perspectives. (hovaveart.com)
Asbestos is the common name for six fibrous silicate minerals. (bpic.com.au)
It is a variety of chalcedony (itself a variety of quartz) with embedded fibers of amphibole minerals in varying degrees of alteration. (bridgitmendlermusic.com)
Pietersite is a variety of chalcedony that is embedded with fibres of amphibole minerals (sodium, calcium, magnesium, iron and aluminium). (bridgitmendlermusic.com)
Asbestos is a naturally occurring group of fibrous silicate minerals mined in many countries across the world. (forthasbestos.co.uk)
Fibers8
The fibers were mainly fibrous amphiboles and fibrous grunerite. (cdc.gov)
In this advanced course, using polarized light microscopy ( PLM ), students learn to identify and differentiate among all asbestos fibers and fibrous substitutes through review of basic theory and inclusion of more advanced methods. (mccroneinstitute.org)
asbestos and other amphibole fibers (winchite and richterite). (cdc.gov)
airborne tremolite asbestos and other amphibole fibers. (cdc.gov)
The town of Biancavilla (Sicily) was included in the National Priorities List of Contaminated Sites due to environmental dispersion of amphibole fibers owing to the extraction of materials from a local quarry. (iss.it)
Results suggest that until 2000, the population had been exposed to high levels of amphibole fibers. (iss.it)
Nephrite , another fibrous variety, is made up of tough, interlocking fibers, so dense that the fibers are not discernible. (minerals.net)
This transformation process involves the quartz slowly replacing the crocidolite (blue asbestos) fibers, retaining the original fibrous structure while the iron within oxidizes, giving the stone its distinctive golden to red-brown color. (crystals.eu)
Crystals6
Amphiboles may, for instance, appear as prismatic, needle-like, or fibrous crystals and can display a tremendous array of colors, ranging from white, green, and blue to dark brown and black. (fsu.edu)
As elongated prismatic crystals, in bladed groups, columnar , fibrous , reticulated and acicular . (minerals.net)
The fibrous crystals that comprise the mineral are technically known as fibrils. (realestateinfoguide.com)
They are filled by fibrous amphibole crystals (of ferro-actinolitic and actinolitic composition) and minor amounts of quartz. (uniba.it)
Alkali feldspar usually forms thin tabular crystals and is perthitic, while nepheline may be fresh or altered to a fibrous, micaceous aggregate. (myrocks.info)
Aegirine-augite is found in most rocks as prismatic or poikilitic crystals and biotite and amphibole are sometimes present. (myrocks.info)
Prismatic1
Compared to the previously investigated prismatic fluoro-edenite, these fibrous fluorine amphiboles consistently showed higher average values of Si and Fe content, whereas Ca was significantly lower, which we consider a distinctive characteristic of the fluorine fibrous variety. (iss.it)
Fluoro-edenite1
RESULTS: The rocks were found to contain fibrous amphiboles, identified as fluoro-edenite, which are chemically similar to tremolite. (unict.it)
Winchite7
Recently fibrous NaFe 3+ -amphiboles, winchite + Mg-riebeckite, have been reported from the Miocene (13.7 Ma) Wilson Ridge pluton in NW AZ, and are similar to AA implicated in high rates of death and disease at the EPA Superfund site at Libby, Montana. (confex.com)
WRP amphibole asbestos is present as (1) monomineralic fracture fill veins which we interpret as primary precipitation of fibrous winchite from hydrothermal solution, and (2) partial to complete secondary pseudomorphic replacement of magmatic Mg-hornblende by fibrous winchite. (confex.com)
The secondary growth of fibrous winchite demonstrates that growth during local shearing is not required to form AA. (confex.com)
Pseudomorphic replacement of non-fibrous Mg-hornblende by fibrous winchite requires mineral dissolution-reprecipitation and exchange of ions between amphibole and fluid. (confex.com)
We used EPMA data collected from partially replaced magmatic Mg-hornblende to evaluate the ionic composition of hydrothermal fluids attending the growth of the secondary winchite amphibole. (confex.com)
This process drove the fluid to super-saturation with respect winchite resulting in fluids capable of direct precipitation of fibrous winchite in fracture fill veins. (confex.com)
The former vermiculite mine in Libby, Montana, did have tremolite asbestos as well as winchite and richterite (both fibrous amphiboles)-in fact, it was formed underground through essentially the same geologic processes as the contaminants. (asbestosremovalz.com)
Quartz6
A crystal with very appealing vibrations, Amphibole Quartz is a commonly used instrument for purposes of meditation. (haciendarual.es)
In this article, we will explore the wonders of amphibole, focusing on the extraordinary synergy between quartz, lithium, and the broader theme of the Divine Masculine and Feminine symbols. (hovaveart.com)
Amphibole is often found intertwined with quartz and lithium inclusions, creating a synergy greater than the sum of their parts. (hovaveart.com)
These symbols, often associated with different aspects of our inner selves, can be powerful when combined harmoniously, much like quartz and lithium in amphibole. (hovaveart.com)
Amphibole, with its remarkable fusion of quartz, lithium, and combined with the Divine Masculine and Diving Feminine symbols, offers us a profound lesson in the power of synergy. (hovaveart.com)
Amphibolite is a coarse-grained metamorphic rock, predominantly composed of mineral amphibole and plagioclase feldspar. (haciendarual.es)
Serpentines1
There are two types of asbestos: amphiboles and serpentines. (radiologytutor.com)
Vermiculite1
Tremolite, too, is fibrous but usually is part of natural talc and vermiculite deposits. (bpic.com.au)
Grunerite1
Grunerite is an amphibole mineral that comes from the grunerite-cummingtonite series. (realestateinfoguide.com)
Pyroxene2
Amphibolite is a widely used term for rock composed of mostly black amphibole and plagioclase, blueschist for blue to blue-green rocks containing blue (Na) amphibole, and eclogite for rocks containing grass-green pyroxene (omphacite) and red, Mg-rich garnet. (haciendarual.es)
The name comes from biotite (mica), pyroxene, and amphibole. (haciendarual.es)
Silicates2
Amphiboles are complex chain silicates with hydroxile (OH) groups of the general composition X 0-1 Y 2 Z 5 (Si,Al) 8 O 22 (OH,Cl,F) 2 , with X, Y and Z representing various metal cations. (quartzpage.de)
It begins its stone life as a fibrous, blue mineral called Crocidolite, which belongs to the family of amphibole silicates. (angellightshopping.com)
Mineral that comes1
It's a fibrous mineral that comes in different forms and is often found in various construction materials. (asbestosremovalz.com)
Fibres2
Biological fibres, also known as fibrous proteins or protein filaments, are made up mostly of medically relevant and biologically highly significant proteins, in which mutations or other genetic flaws can cause serious disorders. (alliedacademies.org)
While the fibres cause a chatoyancy effect, it is not found in continuously structured bands or fibres, more in swirls, swathes and fibrous segments. (bridgitmendlermusic.com)
Indeed, the most widespread of these rock specimens are often referred to alternatively as hornblendite, a more restrictive moniker that indicates the specific amphibole they contain. (fsu.edu)
Deposition1
1997. Deposition Modeling of Fibrous Particles in Rats: Comparisons with Available Experimental Data. (cdc.gov)
Fiber1
Mountain Leather , a thickly fibrous and leathery variety, has a silky luster , a soft felt-like feel, and elastic fiber s. (minerals.net)
Hornblende2
Dec 14, 2010ยท Amphibolite is the metamorphic form of amphibole, also known as hornblende. (haciendarual.es)
hornblende is the most common amphibole and is typical of such rocks. (haciendarual.es)
Composition1
Beyond its mineral composition, amphibole invites us to explore the synergy between the Divine Masculine and Divine Feminine symbols. (hovaveart.com)
Mitigation strategies aimed at reducing non-occupational exposure to amphibole asbestos (AA) require an understanding of AA petrogenesis and the geologic settings where they can form. (confex.com)