Magnesite

Magnesite

Amethyst has been sought after since ancient times as a gemstone and decorative object

Azurite is a striking copper-based mineral found in shades of deep blue to vivid green

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

From the Upper Ordovician Period - Ashgill Stage - Ktaoua Formation

Measurement is of box

large calcite crystals and the dusting of fine gold from the pyrite is unique to specimens from this specific region of China and have not been found anywhere else

Rainbow or peacock pyrite is a much rarer form of pyrite named for the unmistakable and incredibly vibrant rainbow-colored iridescence it displays

Azurite has been sought after since ancient times as a gem and for use in blue pigment

and under optimal conditions these insects will be clearly visible within the fossilized amber pieces

Amethyst is a form of Quartz which gets its beautiful purple tint from the substitution of silicone for iron due to irradiation

Amber is the fossilized resinous tree sap from conifer trees

resulting from the oxidation of its copper and sulfide components