Chrysocolla

ChrysocollaOccurring in spectacular shades of deep green, turquoise, and powder blue, Chrysocolla is unique mineral prized as a precious stone since antiquity for use in jewelry as well as in goldsmithing. Chrysocolla is in the copper family, its color formed from the oxidation of copper and it is typically found in spherical (botryoidal) or rounded formations, often with intricate patterns and shapes.

Brittle Starfish

They were recovered from deposits in Morocco and date back to the late Cretaceous Period

It rarely occurs in crystal form but is often found in botryoidal or fibrous formations

but most specimens have vivid color due to various impurities and are often fluorescent

Middle Devion period

449 million years old

flat barite crystals arranged in densely packed rosettes in hues of rose

see photo for small but visible crack in slab

Tree trunks

During the Eocene

creating a striking and colorful contrast

Chalcedony has a number of forms that are also considered gems of their own