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…
Category: Gem or Scam? Library
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…
Copal / copalite
Designation for a young, semi-fossilized resin (1,000 years – 1 million years old), from the copal tree Protium copal (Burseraceae). Used by the cultures of…
Coppernite / copperlite
Commercial name for a dark gray-green to brown rock with black crystals/grains and sometimes angular crystals with a coppery flash (hence the name). Also sold…
Coracalcite™ / Golden Coracalcite™
Commercial unregistered name for golden or honey-colored calcite from Florida. Also called Golden Coracalcite™. A contraction of the words coral (coral) and calcite. This name…
Collamalcite
Unnecessary compound name for a combination of blue chrysocolla and green malachite in a complex pattern in a matrix of white rock. Introduced by Robert…
Carnelian
Variety name for orange-red to reddish-brown chalcedony. Usually translucent and without bands. A banded chalcedony is usually called agate, but we see orange-red banded agate…
Cristo ribbon variscite
Commercial name for veins of green variscite in black carbon-rich rock, probably graphite schist or chert, from Nevada, United States. Because it is quite brittle…
