Selenite

Selenite

Brittle Starfish

Natural copper is relatively soft and often found in intricate and unique structures

These high quality and exceptional color Chiapan Amber originated in Mexico during the Oligocene

These pieces of cuboidal fluorite crystals in varying shades of dark green occur on a high contrast white-gray matrix

Pure fluorite is clear

typically associated with granitic pegmatites

5" Weight- 16

it is not uncommon for insects and other small animals to become trapped within tree sap

which means it naturally occurs in its metallic form

Metacanthian Trilibite from the Mid Devonian Period

A vivid and richly colored copper-based mineral

where some truly impressive specimens like this very rarely emerge from the mines