The following is a list of Oligoclase gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.
Oligoclase: Oligoclase is a mineral of the plagioclase feldspar series, other members of which are Labradorite and Anorthite. It forms as tabular crystals, which are commonly twinned, with parallel or criss-cross twinning striations. It appears as massive, granular, or compact. It may show brilliant reflections from inclusions. It is light, transparent to translucent, with a vitreous luster and may come in (read full)
Labradorite: Labradorite is a sodium-rich plagioclase feldspar which displays a particular type of iridescence on a dark ground. Plagioclase feldspars are rock-forming, calcium-sodium minerals which form a continuous series ranging from albite, through oligoclase, andesine, labradorite, and bytownite to anorthite. Precise classification is generally not possible in hand specimens, and their physical properties (read full)
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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
Hambergite is a beryllium borate mineral in the classification of Nitrates, Carbonates, and Borates and is an extremely rare gemstone. 
Onyx is a translucent to semitransparent variety of Agate, which in turn is a variety of Chalcedony or cryptocrystalline quartz that is
Amber is one of the few organic gemstones that exist. Amber is made when tree resin is fossilized. Most people I speak with directly th