Topaz (yellow)

Topaz (yellow)

Hardness ( Moh )

" 8

Crystal System

Orthorhombic

Specific Gravity

3.53

Refractive Index

1.609 - 1.643

Birefringence

Family

Colour(s)

Colorless, Pale blue, Yellow, Yellowish brown, Red

Cleavage

Francture Type

Subconchoidal

Luster

Streak

White

Transparency

Transparent

Formula

Al2SiO4(F,OH)2

Country

Found In