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…
Category: Gem or Scam? Library
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…
Prasiolite
Name for a green transparent variety of macrocrystalline quartz. Occasionally found in association with amethyst (including in Poland and Canada) and therefore sometimes called green…
Prasolite
Name for afibrous leek green variety of the chlorite group, from Kilpatrick Hills, Scotland. An aluminosilicate of magnesium and iron, probably a variety of chlorite.…
