Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats Oregon Measurement: 205mm x 73mm x

Measurement: 205mm x 73mm x 40mm

Measurement: 20

Date of find: 1836

This beautiful heliodor crystal has a beautiful gemmy greenish yellow color with a unique crystal structure and termination

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

Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats Oregon Measurement: 205mm x 73mm xA 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