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Agate (/ ˈ æ ɡ ɪ t / AG-it) is a variety of chalcedony, [1] which comes in a wide variety of colors. Agates are primarily formed within volcanic and metamorphic rocks.The ornamental use of agate was common in ancient Greece, in assorted jewelry and in the seal stones of Greek warriors, [2] while bead necklaces with pierced and polished agate date back to the 3rd millennium BCE in the Indus ...
Agate “Agate is earthy, warm and rich,” Salzer says, noting that it exists in many colors. “Look for antique Victorian banded Enlish and Scottish agates in deep orange, browns, cinnamon, and ...
Though white schiller is the most common, in rarer specimens, orange or blue lusters are produced. [2] This effect is most typically produced by adularia, a K-feldspar or orthoclase (KAlSi 3 O 8), from which the name is derived. [3] [4] [5] Adularescence appears in numerous other gemstones, notably common opal, rose quartz and agate. However ...
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.
Sometimes natural bands agate beads without and artificial etchings are also viewed as a type of dzi by Tibetans. The number of "eyes", or circular designs on the stone, is considered significant when considering the importance of a dzi. The symbolic meaning of dzi beads are sometimes based on the number and arrangement of the dots. [citation ...
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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.
What is the meaning of seeing a blue jay? Among spiritual experts, blue jays can symbolize several things. For instance, since blue jays have loud and unmistakable calls, people think of them as ...