Ferro-axinite (Axinite-(Fe))
Khaplu, Ghanche District, Gilgit-Baltistan, Pakistan
0.87 carats
© Brian Kosnar - Mineral Classics
Ferro-axinite Gemstones by Size
This table shows distribution of Ferro-axinite 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:0.58 cts
Heaviest:1.22 cts
Average:0.81 cts
Total photos:4
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| General Information | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A variety or type of: | Axinite | |||||||||||||||||||||
| Other Names/Trade Names: | ||||||||||||||||||||||
| Chemical Formula |
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| Physical Properties of Ferro-axinite | ||||||||||||||||||||||
| Mohs Hardness | 6.5 to 7, Management Team (2012) | |||||||||||||||||||||
| Specific Gravity | 3.25 to 3.28, Management Team (2012) | |||||||||||||||||||||
| Tenacity | Brittle, Management Team (2012) | |||||||||||||||||||||
| Cleavage Quality | Distinct,Good, Management Team (2012) | |||||||||||||||||||||
| Fracture | Uneven,Irregular,Conchoidal, Management Team (2012) | |||||||||||||||||||||
| Optical Properties of Ferro-axinite | ||||||||||||||||||||||
| Refractive Index | 1.674 to 1.693, Handbook of Mineralogy (2001) | |||||||||||||||||||||
| Optical Character | Biaxial/-, Management Team (2012) | |||||||||||||||||||||
| Dispersion | Strong, Management Team (2012) | |||||||||||||||||||||
| Colour | ||||||||||||||||||||||
| Colour (General) | Brown, clove-brown, plum blue, pearl gray, Management Team (2012) | |||||||||||||||||||||
| Transparency | Transparent,Translucent, Management Team (2012) | |||||||||||||||||||||
| Lustre | Vitreous, Management Team (2012) | |||||||||||||||||||||
| Crystallography of Ferro-axinite | ||||||||||||||||||||||
| Crystal System | Triclinic, Management Team (2012) | |||||||||||||||||||||
| Habit | Crystals typically flattened, axe-head shaped, to 20 cm; granular, massive., Handbook of Mineralogy (2001) | |||||||||||||||||||||
| Geological Environment | ||||||||||||||||||||||
| Where found: | In low- to high-grade regionally metamorphosed rocks, in contact metamorphosed rocks, and in pegmatites., Handbook of Mineralogy (2001) | |||||||||||||||||||||
| Further Information | ||||||||||||||||||||||
| Mineral information: | Ferro-axinite information at mindat.org | |||||||||||||||||||||
| Significant Gem Localities | ||||||||||||||||||||||
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