Fluorescent Blue Prehnite Crystal Cluster Tanzania 20.33 Grams ammolite but this piece is very

but this piece is very fine cutting material that will have a great yield

This is a bite mark from a Mosasaur

This is a very beautiful crystal with a great transparency and is unique as it is almost colorless

giving them a clean and well-formed appearance

A distinctive thumbnail crystal with strong color and form

Fluorescent Blue Prehnite Crystal Cluster Tanzania 20.33 Grams ammolite but this piece is veryA beautiful pale blue prehnite specimen from Tanzania displaying blocky crystal growth and attractive translucency. The light blue crystals contrast nicely against the darker matrix, creating an appealing natural display. Under longwave UV light, the specimen fluoresces a vivid electric blue, dramatically enhancing its appearance and making it especially desirable for fluorescent mineral collectors. A colorful and eye catching example of Tanzania's