Natural Unheated Tanzanite Crystal from Mererani Tanzania – 20.69ct

Beautiful natural unheated tanzanite crystal showing soft violet to blue tones with subtle color zoning throughout. The elongated crystal has a clean, elegant shape with good transparency, allowing light to pass through and highlight its natural internal features. The smaller secondary crystal growth adds extra interest and character to the piece.

Tanzanite is known for its trichroic nature, often showing different colors depending on the viewing angle, especially with a dichroscope or in front of a polarized light. Unheated crystals like this display their natural color, making them especially appealing to collectors who appreciate untouched material.

Locality: Mererani, Tanzania
Measurement: 35mm x 11mm x 6mm
Weight: 20.69 carats
Crystal System: Orthorhombic
Mineral Class: Sorosilicate