Fluorapatite
Durango, Mexico
3.37 carats
© Brian Kosnar - Mineral Classics
Fluorapatite Gemstones by Colour
This table shows the variety of hues this gemstone can be found in. Click on a photo for more information.
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Fluorapatite Gemstones by Size
This table shows distribution of Fluorapatite gemstone sizes that are listed on this site. This can give a good indication as to the general availability of this gemstone in different sizes.
Contributed photos
Lightest:2.00 cts
Heaviest:3.37 cts
Average:2.46 cts
Total photos:3
Do you have a larger Fluorapatite? Why not upload a photo?
| General Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A variety or type of: | Apatite | |||||||||||||
| Chemical Formula |
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| Physical Properties of Fluorapatite | ||||||||||||||
| Mohs Hardness | 5, Handbook of mineralogy (2001) | |||||||||||||
| Specific Gravity | 3.1 to 3.25, Handbook of mineralogy (2001) | |||||||||||||
| Tenacity | Brittle, Handbook of mineralogy (2001) | |||||||||||||
| Cleavage Quality | Poor, Handbook of mineralogy (2001) | |||||||||||||
| Fracture | Uneven,Conchoidal, Handbook of mineralogy (2001) | |||||||||||||
| Optical Properties of Fluorapatite | ||||||||||||||
| Optical Character | Uniaxial/-, Handbook of mineralogy (2001) | |||||||||||||
| Pleochroism | Weak to strong if colored, Handbook of mineralogy (2001) | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Sea-green, violet, purple, blue, pink, yellow, brown, white, colorless, may be zoned; colorless or faintly tinted in thin section, Handbook of mineralogy (2001) | |||||||||||||
| Transparency | Transparent,Translucent, Handbook of mineralogy (2001) | |||||||||||||
| Lustre | Vitreous, Handbook of mineralogy (2001) Vitreous to subresinous | |||||||||||||
| Crystallography of Fluorapatite | ||||||||||||||
| Crystal System | Hexagonal,Monoclinic, Handbook of mineralogy (2001) Hexagonal or monoclinic | |||||||||||||
| Habit | As prismatic hexagonal crystals, elongated, to 2 m; as complex tabular to discoidal crystals ?attened, typically with many forms; granular, globular to reniform, nodular, massive., Handbook of mineralogy (2001) | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | Accessory in most igneous rocks, important in syenites, alkaline rocks, carbonatites, granite pegmatites. Common in marbles and skarns, Ca-rich regional metamorphic rocks, Alpine-type fissures, and hydrothermal tin veins. An essential component of sedimentary phosphorites, common as a detrital or diagenetic component in oolitic ironstones and phosphatic carbonate rocks and shales. Residual in laterites., Handbook of mineralogy (2001) | |||||||||||||
| Spectrographic Data | ||||||||||||||
| Calculated Spectra: Click spectra for more information | Fluorapatite - Locality: Akjailau, Kazakstan Fluorapatite - Locality: tanaznia Fluorapatite - Locality: Tanaznia Fluorapatite - Locality: Tanzania | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Fluorapatite information at mindat.org | |||||||||||||
| Significant Gem Localities | ||||||||||||||
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