Midnight Lace Obsidian
Commercial name for black with clear banded obsidian, also called lamellar obsidian. The provider of the material from Eastern Europe, primarily from the Caucasian mountains…
Category: Gem or Scam? Library
Mohave / Mojave turquoise
Commercial name for a man-made product. Natural pieces of turquoise from the Kingman Mine are crushed, dyed, stabilized and mixed with copper or bronze after…
Moldau™ (quartz)
Unregistered commercial name for quartz. Yes, just quartz. The name is supposedly a nod to moldavite, since this quartz is found in the same region…
Moldavite
Moldavite is a so-called tektite, a green natural impact glass from the impact of a meteorite in southern Germany 14.8 million years ago, today’s Ries…
Moonshine Green (jasper)
Commercial name for green nickel-bearing jasper or quartz-bearing rock from South Africa and elsewhere. Do you have a nice example of this stone and would…
Moqui Marbles
Commercial name for round sandstone concretions from the Navajo Sandstone Formation in the United States. Although most Moqui stones come primarily from Utah, where the…
Morondavite
Commercial fantasy name for a breccia-like rock described as a combination of agate, jasper and chalcedony in quartz and again a “new” stone from Madagascar.…
Mtrolite / Mtorolite / Mtorodite
Commercial name for a deep green chromium-containing chalcedony from Zimbabwe. Named after Mtoroshanga, the site of discovery in Zimbabwe. Similar to the more common chrysoprase,…
Mugglestone
Commercial name for tiger iron, a combination of tiger’s eye, hematite and red jasper. Several commercial names are used for the same material: Ancestralite, Endurite,…
Mystic Merlinite™
Commercially registered trade name for a gray, violet translucent gabbro rock speckled with black. Although still touted as a relatively “newly” discovered gemstone, found only…
