Variety Of Quartz
Variety Of Quartz. Agate and jasper are also kinds of quartz with a microcrystalline structure. The stone of opportunity tiger's eye: The Major Varieties of Quartz (Photos) from www.geologyin.com Sandstone, composed mainly of quartz, is. Many varieties are gemstones, including amethyst, citrine, smoky quartz, and rose quartz. Quartz occurs in a wide range of varieties under a bewildering array of informal names, such as jasper, flint, tiger’s eye, amethyst, citrine, chalcedony, onyx, opal and agate. ...