Wonderstone (jasper)
Commercial name for most likely a banded sandstone derived from several sites in the United States. Kanab Wonderstone from Kanab, Utah and Sedona Wonderstone (also…
Category: Gem or Scam? Library
Stargate (Star Gate) Calcite
Commercial name for a specific calcite crystal growth form (habit), namely so-called dogtooth calcite. The mineralogical designation for such a crystal is a scalenohedron.
Snake jasper
Commercial name for a yellowish-brown to brownish-red rock from the Indian Himalayas with light brown lines and arches. The curved lines are cross sections of…
Spider web carnelian / Carnelian Fire Agate
Commercial name for carnelian that has been heated to produce a crackle effect (spider web). Also marketed under the name Carnelian Fire Agate or Crab…
Porcupine quartz
Commercial fantasy name used as a synonym for cactus quartz. Named for the similar orientation of a porcupine’s spines. Learn more about quartz growthforms? Take…
Snakeskin agate
Commercial name used for various stones. There is a brown, gray or cream colored chalcedony or agate on the market in which the white outer…
Tangerine quartz / Tangerine Lemurian
Unregistered commercial name for orange (pink) quartz, usually from Brazil or Madagascar. The color is caused by inclusions or a natural coating of hematite or…
Tanzurine™ (Cherry and Emerald)
Commercially registered trademark for quartz(ite) with inclusions from Tanzania, in red (Cherry Tanzurine™) and green (Emerald Tanzurine™). This “new find” was first offered at the…
Feldspar Zebra / Zebradorite
Commercial name for a rock composed of intergrown light-colored potassium feldspar and dark quartz, often referred to geologically as graphic granite. The angular intergrowth is…
Terahertz stone
Commercial fantasy name and trade term for a man-made product with an appearance similar to hematite or magnetite, especially in polished form. Said to be…
