| General Information |
|---|
| Chemical Formula | Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Physical Properties of Chondrodite |
|---|
| Mohs Hardness | 6 to 6.5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Specific Gravity | 3.10 to 3.20Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Cleavage Quality | DistinctUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Fracture | Uneven,Sub-ConchoidalArthur Thomas, Gemstones (2009) |
|---|
| Optical Properties of Chondrodite |
|---|
| Refractive Index | 1.589 to 1.670Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Optical Character | Biaxial/+Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Birefringence | 0.025 to 0.036Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Pleochroism | Orange-brown to yellow-brownMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
|---|
| Dispersion | NilArthur Thomas, Gemstones (2009) |
|---|
| Colour |
|---|
| Colour (General) | Yellow, red, brownishUlrich Henn and Claudio C. Milisenda, Gemmological Tables (2004) More from other references |
|---|
| Transparency | Transparent,Translucent,OpaqueHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Lustre | Vitreous,ResinousArthur Thomas, Gemstones (2009) |
|---|
| Fluorescence & other light emissions |
|---|
| Fluorescence (Short Wave UV) | Inert to moderate yellowHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) |
|---|
| Fluorescence (Long-Wave UV) | Inert to weak orangeHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Crystallography of Chondrodite |
|---|
| Crystal System | MonoclinicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references |
|---|
| Habit | Characteristically flattened crystalsMichael O’Donoghue, Gems, Sixth Edition (2006) More from other references |
|---|
| Geological Environment |
|---|
| Where found: | In contact metamorphic zones, in limestones and dolostones, associated with felsic to alkalic plutonic rocks, especially with Fe-B-F metasomatism; in a carbonatite.Anthony et al, Handbook of mineralogy (2001) |
|---|
| Further Information |
|---|
| Mineral information: | Chondrodite information at mindat.org |
|---|
| Significant Gem Localities |
|---|
| Myanmar | | |
| Ted Themelis (2008) Gems & mines of Mogok | | USA | | |
| Gems, Sixth Edition, Michael O’Donoghue, 2006, p. 399 |
|
|
