20091 - Beautiful 3.36 Inch Titanium Quartz Rainbow Aura Iridescent Crystals Dinosaur claws This type of preservation only

This type of preservation only occurs under certain very special circumstances

articulated in natural anatomical connection

and Cryptodira

Natural orange iron sulfide (pyrite) oxidation color

Rare species of Lichid trilobite recently described

20091 - Beautiful 3.36 Inch Titanium Quartz Rainbow Aura Iridescent Crystals Dinosaur claws This type of preservation onlyAura rainbow quartz is quartz that has been enhanced with a combination of titanium and niobioum. Metal coated crystals are natural crystals, such as quartz, whose surface has been coated with metal to give them an iridescent metallic sheen. Crystals treated this way are used as gemstones and for other decorative purposes. Possible coatings include gold (resulting in a stone called aqua aura), indium, titanium, niobium and copper. Other names for