Types of Chalcedony - Colored Gemstones Guide

Agate is a type of chalcedony that is characterized by color patterns, like multi-colored angular/curved bandings, or transparency. Opaque varieties of agate are called jasper at times. As a type of cryptocrystalline quartz, you will find many agate varieties in the market, such as fire agate, iris agate, moss agate, etc. Chrysoprase is a beautiful green variety of chalcedony found in deep green to milky yellow-green colors. The most common color in which Chrysoprase is found is apple green. Although not famous, it is one of the rarest Types of Chalcedony. The beautiful green hue in Chrysoprase comes from nickel oxide.
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