35 Piece Flat - Rough Blue Calcite / 1.5-2.5" AVG ad collection it is usually called common

it is usually called common opal and is green or purple

about 7 pieces)

Quantity: 1 slab and 1 stand

There are over 40 kinds of natural zeolites

Our collection of dolphin carvings showcases different stone types from all over the world

35 Piece Flat - Rough Blue Calcite / 1.5-2.5" AVG ad collection it is usually called commonRough Blue Calcite Origin: Mexico Pieces measure approximately 1. 5 to 2. 5 inches (AVERAGE SIZE) Crystal River Gems exclusive museum and showcase flats. Hand selected and curated by our experienced staff. Perfect for museum gift shops, vendor shows, and retail stores! The picture is an example ONLY. This listing is for a 100% natural product. Please allow for variation in size, shape, color, and formation. Randomly selected gemstones, cherry picking