Olivine (peridot)

Olivine (peridot) is a rhombic mineral with a variable proportion of magnesium and iron depending on the conditions of its formation. It is the iron that causes the stone to turn green. Olivine is formed by crystallization from magma with a low silicon content such as basalts or gabbro.

Identification:

Color yellow-green to olive

green, red-brown

Crystal appearance crystallized, grainy

Rhombic system

Hardness 6.5 - 7

Glassy, greasy shine

Perfect fission

Refractive index 1.65 - 1.69

White scratch

Density 3.3 g ⋅ cm − 3

Výsledky překladuOlivine (peridot) is a rhombic mineral with a variable proportion of magnesium and iron depending on the conditions of its formation. It is the iron that causes the stone to turn green. Olivine is formed by crystallization from magma with a low silicon content such as basalts or gabbro. Identification: Color yellow-green to olive green, red-brown Crystal appearance crystallized, grainy Rhombic system Hardness 6.5 - 7 Glassy, greasy shine Perfect fission Refractive index 1.65 - 1.69 White scratch Density 3.3 g ⋅ cm − 3