Boli Stone
Commercial name for calcite crystals found in the desert of Saudi Arabia. The stones have become smooth from the action of wind and sand. Do…
Category: Gem or Scam? Library
Grape agate
A commercial name for spherical (botryoidal) quartz aggregates from Indonesia, also called Grape chalcedony. The name refers to the shape and color, which are reminiscent…
Chinese larimar
Commercial name for various stones that should pass for real larimar, a relatively rare and therefore precious mineral. Unfortunately, due to larimar’s popularity, it is…
Eilat 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 the site…
Bolivianite
Commercial name originally used as a synonym for ametrine, after the first discovery in Bolivia (Anahi Mine). Although ametrine is now found in other locations…
Eagle’s Eye
A commercial name used for various different stones. The name is mainly used for polished stones that most closely resemble a type of gray tiger’s…
Chlorite jade
Misleading synonym for the mineral seraphinite, a variety of clinochlore (chlorite group). Thus, the mineral belongs to the chlorite group and has no relation to…
Elephant (skin) jasper
Commercial name for a yellowish-brown to brownish-red sedimentary rock from the Indian Himalayas with light brown lines and arches. The curved lines are cross sections…
Bornite
Mineralogical name for a natural copper ore that tarnishes to various iridescent shades due to oxidation. However, most offered bright blue/purple colored bornite or peacock…
Elohim labradorite
Misleading commercial name for larvikite, a magmatic rock (syenite or monzonite) from Larvik, Norway. Among other things, the rock contains feldspars that show a bluish…
