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Name Origin | Eosphorite is named after Greek work "eosphoros", meaning dawn-bearing, due to its pink color |
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Chemical Formula | (Mn, Fe)AlPO4(OH)2.H2O |
Color | Colorless, pale pink, pale yellow, light brown, reddish brown, black |
Hardness | 5 on Mohs Scale |
Crystal System | Monoclinic (pseudo-orthorhombic). Crystals prismatic, often twinned |
Cleavage | Poor; fracture uneven to subconchoidal |
Specific Gravity (SG) | 3.05 |
Luster | Vitreous to resinous |
Occurrence |
in granite pegmatites, usually associated with Mn phosphates |
Pleochroism | Distinct: yellow/pink/pale pivk to colorless |
Note: Pink eosphorite gemstones are extremely attractive when cut, especially as round brilliants. As it is a very soft gemstone, it is not recommended for wearing. This is a very rare gemstone that seen only in a few collections.