| General Information |
|---|
| A variety or type of: | Axinite |
|---|
| Other Names/Trade Names: | |
|---|
| Chemical Formula | Gemdat.org, Management Team (2012) |
|---|
| Physical Properties of Manganaxinite |
|---|
| Mohs Hardness | 6.5 to 7Anthony et al, Handbook of Mineralogy (2001) |
|---|
| Specific Gravity | 3.314Anthony et al, Handbook of Mineralogy (2001) |
|---|
| Tenacity | BrittleAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Cleavage Quality | GoodAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Fracture | Uneven,ConchoidalAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Optical Properties of Manganaxinite |
|---|
| Refractive Index | 1.678 to 1.692Anthony et al, Handbook of Mineralogy (2001) |
|---|
| Optical Character | Biaxial/-Anthony et al, Handbook of Mineralogy (2001) |
|---|
| Colour |
|---|
| Colour (General) | Honey-yellow, clove-brown, brown, blue; colorless to pale brown or blue in thin section.Anthony et al, Handbook of Mineralogy (2001) |
|---|
| Transparency | Transparent,TranslucentAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Lustre | VitreousAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Fluorescence & other light emissions |
|---|
| Fluorescence (Short Wave UV) | Magenta-redAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Crystallography of Manganaxinite |
|---|
| Crystal System | TriclinicAnthony et al, Handbook of Mineralogy (2001) |
|---|
| Habit | Crystals typically flattened, axe-head shaped, to 10 cm; granular, massive.Anthony et al, Handbook of Mineralogy (2001) |
|---|
| Geological Environment |
|---|
| Where found: | Typically a mineral formed by contact metamorphism and boron metasomatism; from a pegmatite vein cutting metamorphosed iron formation at a contact with gabbro (Minnesota, USA).Anthony et al, Handbook of Mineralogy (2001) |
| Further Information |
|---|
| Mineral information: | Manganaxinite information at mindat.org |
|---|
| Significant Gem Localities |
|---|
|