Blue jade or jadeite
A blue amphibole-rich rock composed mainly of potassiumrichterite and sold as a simulant for jade or nephrite. So this is another example of using the…
Category: Gem or Scam? Library
Colombianite
Commercial name for rounded stones of weathered obsidian found in Colombia, mainly in the Valle del Cauca region around the Cali Crater. These black glassy…
Blue quartz
Designation used primarily for blue solid quartzite-like material from Bahia, Brazil. This material can have a veined or speckled appearance, ranging from gray-blue to bright…
Colorado jade
Misleading commercial name for the green microcline variety amazonite (a mineral from the feldspar group) commonly found in Colorado, United States. No relation to jade,…
Lemon Quartz
Commercial name sometimes used for citrine, but usually refers to a popular light yellow/green variety of irradiated and heated smoky quartz from Brazil or quartz…
Cappuccino jasper
Commercial name for a brown and cream striped stone whose exact composition is unknown. It is also unclear whether this is actually a jasper. Mostly…
Blue Liberite™
Unregistered commercial name for a volcanic rock (rhyolite) that includes blue quartz and pink feldspar. There is also an official mineral liberite, named for the…
Cobra jasper
Commercial name for a yellowish-brown to brownish-red sedimentary rock from the Indian Himalayas with light brown lines and arches. The curved lines are cross sections…
Canadian Blue (Stone)
Trade name from the natural stone trade for an unknown mix of gravel/stones from Canada, including for use in the garden. A single website uses…
