King Cobra Jasper
Commercial name for a rock with round fragments that make it look like a conglomerate, a type of natural concrete. No exact composition or origin…
Category: Gem or Scam? Library
King Solomon stone
Commercial name for a greenish-blue inhomogeneous mixture of various secondary copper minerals such as malachite, azurite, turquoise, pseudomalachite, chrysocolla and others. Named after King Solomon,…
Kiwi jasper
Misleading commercial name for a gray-greenwith black speckled granite-like rock marketed as a “gemstone” since 2015. The name is inspired by its New Zealand origin…
Korean jade
Misleading commercial name for the mineral bowenite, a translucent, fine-grained variety of serpentine antigorite, resembling nephrite. Also marketed under the misleading names bowenite jade, new…
Kundalini citrine/quartz
Commercial name for natural citrine from Congo. The name is mostly used in the esoteric world and has almost become a synonym for the typical…
Labrador Black / Blue (Pearl) Granite
Trade name from the natural stone industry for larvikite, a magmatic rock (syenite or monzonite, not granite) from Larvik, Norway. Among other things, the rock…
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…
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…
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…
