Lapis lazuli
Name for a metamorphic rock with a blue opaque variety of the mineral hauyn as an essential constituent. In addition, calcite, pyrite and other minerals…
Category: Gem or Scam? Library
Lavender Quartz
Commercial name for a light pink-purple quartz, intermediate in color between rose quartz and amethyst. Some sellers describe it as a combination of rose quartz…
Lavenderine / lavenderite
Lavenderine is used as a synonym for lepidolite, a pinkish-purple mineral from the mica group. The name lavenderite is a commercial name used for various…
Lavulite / Luvulite
Synonym used for high quality material of the mineral sugilite. Also called Luvulite. Do you have a nice example of this stone and would like…
Leaverite
Is just a joke, a name that (American) collectors do use for a stone that has no intrinsic value and that you leave where you…
Lemurian
Commercial term / fantasy name from the esoteric world for a particular growth form of quartz crystals. Originally used for clear quartz (rock crystal), but…
Lemurian Jade
Unregistered commercial name for a combination of black jade, quartz, pyrite and other minerals from a remote mine in Peru. A dark variety is also…
Lemurian Red Calcite™
Unregistered commercial name for a layered red calcite, probably from Mexico. Reference to Lemuria, but this is one of those examples of a stone where…
Lemurian Scalar Quartz
Pink variety of (Himalayan) Ice quartz, interference quartz or Nirvana (Ice) quartz. A commercial name for natural quartz with intermittent growth (irregular shapes and partial…
Leopardite (jasper)
Commercial name by which in most cases is meant oncolite, a sedimentary rock composed of oncoids, rounded “nodules”. It is a gray or sand-colored rock…
