Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats Oregon It has an amazing deep

It has an amazing deep green

Date of find: 1836

The question whether to call it aquamarine or emerald is still in debate

Tiger iron originates from ancient banded iron formations created over 2

Measurement: 148mm x 112m x 106mm

Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats Oregon It has an amazing deepA rare and highly collectible unheated tanzanite crystal showcasing natural pleochroic coloration in soft violet and subtle golden brown tones. This well formed crystal displays a classic elongated prism habit with a naturally terminated top and excellent vertical striations along the prism faces. Unlike heated material, this crystal retains its original trichroic character, revealing multiple color directions depending on viewing angle through a