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Black Onyx Polished 8mm Star Cut
Bead World Gems
$17.88Approximate beads in per strand: 45 What is it: Onyx, as well as agate are both varieties of layered chalcedony that differ only in the form of the bands: agate has curved bands and onyx... -
White Tibetan Agate Polished 4mm Faceted Round
Bead World Gems
$16.55Approximate beads in per strand: 95 What is it: Agate is a variety of banded microcrystalline quartz, or chalcedony. There are a vast amount of varieties of agate. Usually, each variety is named... -
Amethyst Polished 16mm Faceted Round
Bead World Gems
$65.55Approximate beads in per strand: 22 What is it: Amethyst is a purple variety of quartz (SiO2) where the violet color is caused by irradiation or impurities of iron which result in... -
Chalcedony Polished 2mm Faceted Round
Bead World Gems
$25.16Approximate beads in per strand: 160 What is it: Most chalcedony is a mixture of microcrystalline or cryptocrystalline quartz and morganite (some are free of moganite). The colors of chalcedony are...
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