Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats Oregon Measurement: 53mm x 47mm x

Measurement: 53mm x 47mm x 27mm

When exposed to a polarized light source

Measurement: 20

Tiger iron originates from ancient banded iron formations created over 2

Unheated Tanzanite Crystal Specimen from Merelani, Tanzania – 10.02 carats Oregon Measurement: 53mm x 47mm 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