| General Information |
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| A variety or type of: | Axinite |
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| Other Names/Trade Names: | |
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| Physical Properties of Ferro-axinite |
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| Mohs Hardness | 6.5 to 7Gemdat.org, Management Team (2012) |
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| Specific Gravity | 3.25 to 3.28Gemdat.org, Management Team (2012) |
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| Tenacity | BrittleGemdat.org, Management Team (2012) |
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| Cleavage Quality | Distinct,GoodGemdat.org, Management Team (2012) |
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| Fracture | Uneven,Irregular,ConchoidalGemdat.org, Management Team (2012) |
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| Optical Properties of Ferro-axinite |
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| Refractive Index | 1.674 to 1.693Anthony et al, Handbook of Mineralogy (2001) |
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| Optical Character | Biaxial/-Gemdat.org, Management Team (2012) |
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| Dispersion | StrongGemdat.org, Management Team (2012) |
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| Colour |
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| Colour (General) | Brown, clove-brown, plum blue, pearl grayGemdat.org, Management Team (2012) |
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| Transparency | Transparent,TranslucentGemdat.org, Management Team (2012) |
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| Lustre | VitreousGemdat.org, Management Team (2012) |
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| Crystallography of Ferro-axinite |
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| Crystal System | TriclinicGemdat.org, Management Team (2012) |
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| Habit | Crystals typically flattened, axe-head shaped, to 20 cm; granular, massive.Anthony et al, Handbook of Mineralogy (2001) |
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| Geological Environment |
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| Where found: | In low- to high-grade regionally metamorphosed rocks, in contact metamorphosed rocks, and in pegmatites.Anthony et al, Handbook of Mineralogy (2001) |
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| Further Information |
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| Mineral information: | Ferro-axinite information at mindat.org |
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