Single chip. Complete crystal shape, often with a rare collection granular and column column. Dark green, green, blue, green, so Single chip. Complete crystal shape, often with a rare collection granular and column column. Dark green, green, blue, green, sometimes even in gray. Stripe is colorless or virescent. Vitreous burnish. Hardness 5 ~ 6. Density 3.29 ~ 3.37 g/cm ^ 3. Mainly from eclogite, ...