Childrenite
| General Information | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Formula |
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| Physical Properties of Childrenite | ||||||||||||||
| Mohs Hardness | 4.5 to 5, Gemstones (2009) | |||||||||||||
| Specific Gravity | 3.06 to 3.25, Gemstones (2009) More from other references | |||||||||||||
| Cleavage Quality | Imperfect, Gemstones (2009) More from other references | |||||||||||||
| Fracture | Conchoidal, Gemstones (2009) More from other references | |||||||||||||
| Optical Properties of Childrenite | ||||||||||||||
| Refractive Index | 1.639 to 1.672, Gemmological Tables (2004) More from other references | |||||||||||||
| Optical Character | Biaxial/-, Gemstones (2009) | |||||||||||||
| Birefringence | 0.041 to 0.042, Gemstones (2009) | |||||||||||||
| Pleochroism | Trichroic, Gemstones (2009) | |||||||||||||
| Dispersion | Strong, Gemstones (2009) | |||||||||||||
| Colour | ||||||||||||||
| Colour (General) | Brown, yellow-brown, dark-yellow, Gemstones (2009) | |||||||||||||
| Transparency | Transparent,Translucent, Gemstones (2009) | |||||||||||||
| Lustre | Vitreous,Resinous, Gemstones (2009) | |||||||||||||
| Crystallography of Childrenite | ||||||||||||||
| Crystal System | Monoclinic, Gemstones (2009) More from other references | |||||||||||||
| Habit | Tabular, prismatic, Gemstones (2009) More from other references | |||||||||||||
| Geological Environment | ||||||||||||||
| Where found: | In some complex granite pegmatites, typically a low-temperature hydrothermal alteration product of primary phosphate minerals., Handbook of mineralogy (2001) | |||||||||||||
| Spectrographic Data | ||||||||||||||
| Calculated Spectra: Click spectra for more information | Childrenite - Locality: Unknown | |||||||||||||
| Further Information | ||||||||||||||
| Mineral information: | Childrenite information at mindat.org | |||||||||||||