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…
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…
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…
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…
Purple malachite
Commercial name for a purple rock or mineral aggregate marketed from China in 2024 in the form of polished objects such as spheres. The name…
Opal
Opal is a natural hydrated silica with the chemical formula SiOâ‚‚ – nHâ‚‚O and belongs to the mineraloids – substances that have much in common…
Monarch opal
A commercial name for a man-made opal, with the official name Sterling Opal. Names like Monarch, Galaxy, Monet or Exodus opal are commercial names referring…
