Perumar™
Unregistered commercial name for a rock of unknown composition from Peru, “newly” discovered in 2017 and first offered at the major mineral show in Tucson,…
Category: Gem or Scam? Library
Peruvian Quantum Quattro
Commercial name for a combination of quartz with malachite and chrysocolla from Peru. Marketed in 2019 as “a very different variety from the already known…
Picasso jasper/stone
Commercial name for a rock with gray and black stripes and occasional red lines or flecks. Associated with its abstract, modernist look with stripes and…
Pietersite
Name for a variety of chalcedony with embedded blue-gray, brown and yellow fibers of amphibole minerals (including crocidolite, an asbestos mineral) in various stages of…
Orca / Penguin agate
Commercial name for a dark gray to black agate or chalcedony with white spots or lines, usually offered from Madagascar. In some specimens, the white…
Pink Fire Azeztulite™
Unregistered commercial name for quartz colored by streaks of dark, brownish-red hematite. Based on photographs of the material and pieces studied, this is the common…
Pink Lazurine™ (quartz)
Unregistered commercial name for a man-made material: laboratory-grown quartz or glass enriched with platinum. Variation in names: including Royal Pink Lazurine, Pink Lazurine Quartz. Do…
Pork Stone (Crystal)
Commercial name for a red and white banded calcite. Inclusions of probably iron in the various layers create a banded pattern reminiscent of a piece…
Prase
Designation for leek green quartz, both micro and macrocrystalline and regardless of the cause of the green color. Originally, “prase” was applied as a variety…
Powerball
Commercial name for dyed quartz geodes from Morocco. There are several varieties of it in circulation, the most common being painted black on the outside…
