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…
Category: Gem or Scam? Library
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.…
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…
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!
Angelinite™
Unregistered commercial name for a white, crystalline opaque stone, possibly quartz or calcium carbonate (aragonite/calcite), but its exact composition is not known. In her 3rd…
Anyolite
Local (trade) name for a stone better known as “ruby in zoisite. Named after the Masai word Anyole (= green). Anyolite is sometimes sold as…
Aqua Terra Jasper
Misleading commercial name for synthetically molded resin. Nothing natural about it at all, no jasper or other mineral to be found in it. Especially popular…
