Fluorescent Blue Prehnite Crystal from Tanzania 12.14 Grams Spinel Tanzania Measurement: 28mm x 14

Tanzania    Measurement: 28mm x 14

well-formed crystals like this

The set shows a pleasing range of crystal sizes while maintaining a cohesive overall look

giving it a distinctly different appearance compared to classic Merelani (Tanzanian) material

This piece shows excellent transparency

Fluorescent Blue Prehnite Crystal from Tanzania 12.14 Grams Spinel Tanzania Measurement: 28mm x 14An attractive blue prehnite specimen from Tanzania featuring a broad, sculptural crystal with stepped growth patterns and soft translucency. The pale blue coloration and contrasting dark matrix create an appealing natural display. Under longwave UV light, the specimen fluoresces a vivid electric blue, dramatically transforming its appearance and highlighting internal crystal structure. A highly collectible example of Tanzania's sought after