Mixed Dark Lepidocrocite 6mm Round - 15-16 Inch Shape_Drop making it the hardest silicate

making it the hardest silicate mineral

“Butter” suggests qualities of smoothness

Herkimer Quartz

Yellow Opal does not display the changeable flash of internal luster that other opals are known for

It is a potent combination of these minerals

Mixed Dark Lepidocrocite 6mm Round - 15-16 Inch Shape_Drop making it the hardest silicateAn iron oxide hydroxide mineral, Lepidocrocite forms when iron containing substances rust underwater. It is commonly found in the weathering of primary iron minerals and in iron ore deposits, and can be red to reddish brown. When skillfully cut and polished, those substances add a delicate accent to the otherwise clear gemstone.