The following is a list of Leningrad gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.
Malachite: Malachite is a bright green, basic copper carbonate. It appears as fibrous, radiating aggregates with silky to dull luster, and its crystals are adamantine. Acicular crystals are common. It commonly occurs as a green film on other copper minerals and as botryoidal or reniform masses with concretionary, banded structure and emerald green color. The color of the glassy, lustrous crystals is dark (read full)
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Euclase is a silicate with a monoclinic crystal system. It is considered a very rare gem of light blue color.
It appears as long or 
Rose quartz is a usually cloudy, translucent, delicate pale pink, deep pink, rose-red to quasi-white and often veined variety of Quartz
Labradorite is a sodium-rich plagioclase feldspar which displays a particular type of iridescence on a dark ground. Plagioclase feldspa
Smoky or Brown Quartz is a commonly occurring quartz mineral that gets it's name from the smoky or cloudy interior.
A well polished pi