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Chung dzi are believed to have similar properties to real "eyed" dzi; they are less valuable, but they are highly prized by Tibetans and also considered a variety of dzi. Another similar type of bead is called Luk Mik ("goat's eye") – it is a naturally formed "one-eyed" coin-shaped [3] agate (pictured). Luk Mik are the preferred dzi for ...
Tiger's eye (also called tiger eye) is a chatoyant gemstone that is usually a metamorphic rock with a golden to red-brown colour and a silky lustre.As members of the quartz group, tiger's eye and the related blue-coloured mineral hawk's eye gain their silky, lustrous appearance from the parallel intergrowth of quartz crystals and altered amphibole fibres that have mostly turned into limonite.
Lysite agate is a vein agate named after Lysite Mountain, Wyoming. It is frequently colorful and may contain moss and plumes in addition to bands. [4]: 79 Nebraska blue agate is a sedimentary agate with dendritic patterns that formed during the Oligocene epoch. It can be found throughout northwestern Nebraska and southwestern South Dakota.
Citrine “A powerful gemstone crystal in a range of deep yellows, oranges, and yellow-cream-white, the citrine gemstone is said to bring abundance and wealth into one’s life,” Salzer says.
A Turkish nazar boncuğu Eye beads or nazars – amulets against the evil eye – for sale in a shop.. A naẓar (from Arabic نَظَر , meaning 'sight', 'surveillance', 'attention', and other related concepts), or an eye bead is an eye-shaped amulet believed by many to protect against the evil eye.
Onyx is a variety of quartz analogous to agate and other crypto-crystalline species. It is composed of different layers of variously colored chalcedony much like banded agate in structure, but the layers are in even or parallel planes. This makes it well adapted for the cutting of cameos and was much used by the ancients for that purpose.
A geode of chalcedony richly colored by hematite that gives it its rusty hues and marks it as Akik [contradictory]. Aqeeq, akik or aqiq (Arabic: العقيق) means quartz in Arabic, and agate in Turkish, however in the context of rings usually refers to a ring set with a chalcedony stone.
The name moonstone derives from the stone's characteristic visual effect, called adularescence (or schiller), which produces a milky, bluish interior light. This effect is caused by light diffraction through alternating layers of orthoclase and albite within the stone.