Variscite
Chemical Formula	AlPO4·2H2O
Species	Phosphates
Crystal System	Orthorhombic
Mohs Scale	3-4
Specific Gravity	2.57-2.61
Color	Green, blue green, yellow green and rarely red
Streak	White
Luster	Vitreous, Waxy
Refractive Index	n = 1.563 n = 1.588 n = 1.594
Diaphaneity	Transparent, Translucent
Cleavage	Distinct/GoodGood on , poor on .
Fracture	Irregular/Uneven, Splintery
Crystal Habit：Encrustations and reniform masses
Geological Setting：Deposited from phosphatic waters reacting with aluminous rocks at surface or near-surface conditions.