Introduction: Gem or Scam?
On this introductory page, I explain exactly what "Scammite" (Belazeriet in Dutch) means, discuss different forms of Scammite, and how the Gem or Scam…
Category: Gem or Scam? Library
Names of minerals and gemstones
Why is correct naming of gemstones and minerals important? Commercial names and fancy names can cause confusion. It also highlights legal aspects and …
Research
The compilation of the online "Gem or Scam" library was preceded by extensive research, consulting various sources. The process included analyzing com…
Hemimorphite
Official mineral name for a hydrated zinc silicate with the chemical formula Zn4Si2O7(OH)2 -H2O formed mainly in the oxidation zones of zinc-bearing ore deposits. Hemimorphite…
Harleyite
Commercial name for a motley colored artificial material that appears on the market as cabochons, beads, ornaments or raw pieces, especially among Harley-Davidson motorcycle enthusiasts…
Batu Pasir Intan (“diamond sandstone”)
Local name for an unusual sandstone that appeared on the Dutch market in 2024 through a seller with connections in Indonesia. The name literally means…
Surfite
Commercial name for a colorful artificial material that for a number of years has been offered as cabochons, beads, ornaments or raw pieces, increasingly also…
Consequences of Scammite
Learn about the consequences of "Scammite", including confusion, health risks and legal liability due to misleading naming. Be aware of blaming and sh…
Khyberstone
Commercial name for a relatively new rock on the international market (2023). The name is derived from the region where it is mined: in the…
Ammonium dihydrogen phosphate (ADP/MAP) – man-made crystals
An artificial (man-made) crystalline salt with the chemical composition NHâ‚„Hâ‚‚POâ‚„, known as ammonium dihydrogen phosphate (ADP). In commerce, it is also often referred to as…
