The following is a list of Zoisite gems and minerals listed in our database. Click the pictures to get full data, click the X to remove the gem from the list.
Tanzanite: Tanzanite is something of bluish to violet variety of zoisite, that wasnt discovered until 1967 believe it or not. It was first found in the Mererani Hills of northern Tanzania. Tanzanite has strong trichroism, appearing alternately blue, violet, or burgundy depending on the crystal orientation and lighting conditions. Most tanzanite is heat-treated to enhance the color, and natural tanzanite see (read full)
Zoisite: Zoisite is a hydrous calcium aluminum silicate in the Epidote group, with an orthorhombic crystal system, three crystal axes at right angles to each other, all of varying lengths. It appears in elongated, prismatic crystals, with fine parallel lines on the prism faces and usually poorly terminated. It also appears frequently in formless grains, poorly-defined crystals, rodlike aggregates and gran (read full)
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Iolite is the violet-colored variety of Cordierite (named after French geologist P. Cordier), a silicate of aluminum and magnesium, wit
Dolomite is similar to calcite and sits along side it in limestone. It usually occurs as a secondary mineral, formed by the reaction of
Pearl is one of four main ornamental materials that are classified as "organic" gems, the other three being coral, ivory, and
Kyanite is an aluminum silicate that occurs as elongated and tabular in groups of light-blue crystals darker toward the center, or flat