* Carnelian >

Carnelian is a variety of Chalcedony that is red, orange, or amber in color. Carnelian can also be found banded. Those specimens are jointly classified as agate and carnelian. Carnelian has been used since ancient times however, it’s popularity has diminished over the years.

* Cat's Eye >

Cat’s Eye describes a gemstone, that when polished has a thin strip of light going across the width of the stone. This gives the stone a cat’s eye effect. The most common form of Cat’s Eye is Chrysoberyl. Other stones that have Cat’s Eye are Tourmaline, Quartz, Aquamarine, Moonstone, Apatite, and Scapolite. Of all of these Chrysoberyl is the hardest and has the most distinct Cat’s Eye. Cat’s Eye can be found in Brazil, India, China, and Zimbabwe.

* Chalcedony >

Chalcedony is a compact microcrystalline form of quartz. Chalcedony has been used since antiquity, and can be found in many different varieties, forms, colors, and patterns. The different varieties of Chalcedony are Agate, Aventurine, Binghamite,Bloodstone, Carnelian,Chrysoprase, Fire Agate, Holly Blue, Jasper, Moss Agate, Onyx, Plasma, Prase, Sard, Sardonyx, and Tiger’s Eye. Chalcedony can be found in the colors White, Blue, Red, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black, Banded, Multicolored.

* Chrysoberyl >

Chrysoberyl is a very hard and durable gemstone. It comes in different forms and can be very valuable. Chrysoberyl is most often light yellow colored, with other specimens being brown green or orange. The two most popular forms of Chrysoberyl are Alexandrite and Cat’s Eye, however Cymophane is another less popular variety.  Brazil has the most significant deposits of Chrysoberyl.

* Chrysocolla >

Chrysocolla is not used very much in the gemstone world due to its lack of durability. However id does have a beautiful blue to bluish green color. It is often multicolored with veins and black and brown spots. Chrysocolla is very similar to Turquoise and is sometimes used as a less expensive substitute. Another variety of Chrysocolla is the Eilat Stone. Eilat Stone is a bluish green mixture of Chrysocolla.

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