Dendritic Opal 6mm Hexagon - 15-16 Inch R1526 microcrystalline form of Quartz

microcrystalline form of Quartz

The yellowish colors of heliodor are usually caused by small amounts of iron within the mineral's crystal structure

Marbeled or Mosaic Quartz is a composite stone made with a combination of dyed quartz and bronzite stone remnants from the cutting process mixed with resin to create a new

discovered a way to improve the quality of turquoise in the 1980's

Blue Tourmaline ranges in color from green to blue to yellow to green with black

Dendritic Opal 6mm Hexagon - 15-16 Inch R1526 microcrystalline form of QuartzThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones.