
Myanmar
0.94 carats
© Palagems
| General Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Formula |
| |||||||||||||
| Physical Properties of Johachidolite | ||||||||||||||
| Mohs Hardness | 7.5, Gemmological Tables (2004) More from other references | |||||||||||||
| Specific Gravity | 3.45, Gemmological Tables (2004) More from other references | |||||||||||||
| Optical Properties of Johachidolite | ||||||||||||||
| Refractive Index | 1.717 to 1.724, Gemmological Tables (2004) More from other references | |||||||||||||
| Optical Character | Biaxial/+, Gemmological Tables (2004) More from other references | |||||||||||||
| Birefringence | 0.007, Gemmological Tables (2004) More from other references | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Yellow, Gemmological Tables (2004) More from other references | |||||||||||||
| Transparency | Transparent,Translucent,Opaque, Gemmological Tables (2004) More from other references | |||||||||||||
| Fluorescence & other light emissions | ||||||||||||||
| Fluorescence (Short Wave UV) | A weak blue, Gems, Sixth Edition (2006) | |||||||||||||
| Fluorescence (Long-Wave UV) | A strong whitish blue fluorescence, Gems, Sixth Edition (2006) | |||||||||||||
| Crystallography of Johachidolite | ||||||||||||||
| Crystal System | Orthorhombic, Gemmological Tables (2004) More from other references | |||||||||||||
| Habit | Equant subhedral crystals, Gems, Sixth Edition (2006) | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | Occurs in a nepheline dike cutting limestone, Gems, Sixth Edition (2006) | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Johachidolite information at mindat.org | |||||||||||||
| Significant Gem Localities | ||||||||||||||
| ||||||||||||||