Aventurine is a variation of quartz distinguishable by...

Carnelians are a form of quartz which ranges in color from...

Carnelians are a form of quartz which ranges in color from...

Carnelians are a form of quartz which ranges in color from...

Carnelians are a form of quartz which ranges in color from...

A variety of quartz that occurs in shades of yellow to...

A variety of quartz that occurs in shades of yellow to...

Fluorite is a mineral formed in hydrothermal deposits...

Fluorite is a mineral formed in hydrothermal deposits...

Fluorite is a mineral formed in hydrothermal deposits...

Fluorite is a mineral formed in hydrothermal deposits...

Garnets are a semi-precious gemstone formed in high heat...

Garnets are a semi-precious gemstone formed in high heat...

Garnets are a semi-precious gemstone formed in high heat...

Garnets are a semi-precious gemstone formed in high heat...

Although it has “stone” in its name, goldstone is actually...

Although it has “stone” in its name, goldstone is actually...

Although it has “stone” in its name, goldstone is actually...

Although it has “stone” in its name, goldstone is actually...

Hematite is a semi-precious iron oxide found throughout...

Hematite is a semi-precious iron oxide found throughout...

Hematite is a semi-precious iron oxide found throughout...

Hematite is a semi-precious iron oxide found throughout...

Howlite is a porous stone that can be dyed to mimic other...