Aventurine
Aventurine is officially a quartz variety with inclusions of a mica variety or hematite, but it has become a general commercial term or name used…
Category: Gem or Scam? Library
Beige moonstone
Commercial name for a beige-colored, unspecified alkali feldspar with a form of ‘flash’ or pearly luster. Sometimes this is ‘true’ moonstone, but in many cases…
Scammite
Translated from the Dutch word “Belazeriet”, a cynical term by Rolf Egberink introduced in 2018 for minerals, rocks, gemstones or crystals that: are entirely man-made…
Aventurine glass
Ancient trade name and synonym for goldstone, a man-made glittering glass, sometimes sold as a natural ‘gem’ material. This ancient name for goldstone comes from…
Fordite
Fordite (also known as Detroit Agate or Motor Agate) is not an agate or mineral at all! It consists of old automotive paint layers that…
Azeztulite™
Registered commercial name for initially only lower quality white quartz and/or quartzite that can be sold expensively this way. The name was coined by Naisha…
Buddstone
Commercial name for green hornfels from South Africa, a metamorphic rock given its green color by inclusions of various green minerals such as chlorite, epidote…
Bertrandite
This official mineral name is sometimes incorrectly used for a fine-grained purple to pale violet variety of fluorite from Utah, United States. This stone has…
Bumblebee jasper/stone
Commercial name for a colorful volcanic rock found in West Java, Indonesia. Named for its resemblance to the black and yellow stripes of a bumblebee.…
Bismuth
Official mineral name for the element bismuth that occurs in pure form in nature, usually as dull gray masses and often accompanied by yellow or…
