Prehnite is a green to light green gemstone. Deep green colors can be found
* Pyrite >
* Pyrope Garnet >
Pyrope Garnet is the most common form of Garnet. The term Garnet describes a group name for several closely related minerals that form important gemstones, and Pyrope is an individual member mineral of the Garnet group. The original source of Pyrope was in Bohemia, Czech Republic. Pyrope garnets are a beautiful deep red in color.
* Quartz >
Quartz is one of the most common minerals found on Earth. Quartz also has many varieties each having there own distinct color patterns. All forms of quartz are used as gemstones. The different varieties are Amethyst, Ametrine, Aventurine, Blue Quartz, Cats Eye, Citrine, Lemon Quartz, Milky Quartz, Prase, Prasiolite, Rock Crystal, Rose Quartz, Rutilated Quartz, Smoky Quartz, and Tourmalinated Quartz.
* Rhodochrosite >
Rhodochrosite gemstones are a beautiful pink to red in color, and are often banded and opaque. The transparent red forms large enough to be cut into gemstones are extremely valuable and cherished by rare gemstone collectors. Rhodochrosite originates in Catamarca, Argentina. Both the Sweet Home Mine in Colorado and the Wudong Mine in China have produced gemmy clear Rhodochrosite. Other important sources include South Africa and Peru.
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