Anandalite™
Unregistered commercial name for natural quartz in which rainbow colors occur due to refraction of light on internal fracture surfaces. Other names used for quartz…
Category: Gem or Scam? Library
Andesine labradorite
Andesine is a natural mineral that, like labradorite, belongs to the feldspar group. Today the market offers gemstones made of andesine (or andesine labradorite) that…
Ancestralite
Unregistered commercial fancy name for a red with metallic colored banded rock. This is banded iron ore, also known as Banded Iron Formation (BIF), banded…
Andean/Andes marble
Trade name used for over 25 years for hand-carved marble figurines from the Andes mountains, Peru. Mostly animal figures, but also many other decorative objects.…
Andamooka (matrix) opal
Andamooka (South Australia) is known for its light-colored opal, sometimes referred to as milk opal. Andamooka opal is also common as a mixture of the…
Andean opal (blue and pink)
Commercial name for “common” opal originating in the Andes, specifically Peru. Therefore also called Peruvian (blue/pink) opal. Available in the natural colors pink and blue.…
Caribbean calcite
Commercial name for aqua blue aragonite/calcite that sometimes appears (partially) artificially dyed. Also often called blue aragonite or aquatine (calcite). Caribbean calcite gets its name…
Andara™ ‘crystals’/obsidian
This is perhaps one of the biggest and most persistent hoax stories today. Often referred to by sellers as natural volcanic glass, sometimes with the…
Angel quartz
Commercial name for cactus quartz. Learn more about quartz growthforms? Take the mini course!
Angelite
Commercial name for a semi-transparent light blue-gray to blue-lilac anhydrite. Sold with this name is usually the solid form from Peru, but anhydrite crystals are…
