Russia, Southern and central Africa, Color: green, yellowish green, Hardness: 6.5, Refractive index: 1.88 1.89, Density: 3.82 3.85, Chemical composition: Ca3Fe2(SiO4)3, Crystal structure: isometric, Origins: Russia, Namibia
Australia, Austria, Brazil, Canada, Ethiopia, Italy, Mexico, Mozambique, Southern and central Africa, Switzerland
Green, Red, Green, orange
Colorless, Brownish, White
Not Available
Irregular/uneven, UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Uneven