Topaz + Biotite 6.50 ct Oval Cut 14.00 x11.10 x 7.90 mm y99846

Description

Topaz + Biotite 6.50 ct Oval Cut 14.00 x11.10 x 7.90 mm y99846

Topaz with Biotite

In this topaz the biotite (a mica variety) is often formed in aggregate platelets or double terminated pseudo-hexagonal columnar crystals

From Minas Gerais, Brazil