Red Quartz w/ Pyrite

Red Quartz w/ Pyrite

which over the course of millions of years becomes solid while retaining the semitransparent yellowish hue of tree sap

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

Pure fluorite is clear

These specimens of natural uncut aquamarine occur within a unique matrix of thick mica with a strong yellowish tint

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

These specimens of Mosasaur (Mosasaurus anceps) teeth are embedded in matrix

with color intensity usually deepest at the termination or tip of each crystal

with nodules and delicate filigree-like branches

Approx size of fossil - 4

silky and lustrous texture of these fibrous Malachite specimens combined with the incredibly rich color make them deservedly popular among collectors

Kataoua formation

red and many other colors corresponding to their physical makeup and conditions when the mineral was formed