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The Gnostics wore the stone as an amulet for longevity, for wealth and courage, to strengthen the stomach, and to dispel melancholy. [6] In the Middle Ages it was considered useful for animal husbandry. [6] The ancient Greeks and Romans wore the stone to bring renown and favor, to bring endurance, and as a charm against the bite of venomous ...
Mughal dagger hilt in jade with gold, rubies, and emeralds.. Hardstone carving, in art history and archaeology, is the artistic carving of semi-precious stones (and sometimes gemstones), such as jade, rock crystal (clear quartz), agate, onyx, jasper, serpentinite, or carnelian, and for objects made in this way.
The sculpture is neutral in color with the stone varying from light flesh tone shades of beige to softer pink and reddish hues. At nighttime the central sphere is illuminated by an internal light source. The glow of this light shines through the thin opaque onyx and creates the appearance of a luminary, a body or object that gives light. [2]
A stone is ground into shape (often a cabochon or a short, wide cylinder) and polished to a shine. Sometimes the flat surface is engraved with a religious motto in Arabic, which is sometimes inlaid with gold. The finished gem is then mounted on a ring according to the stones finished size.
Alabaster is a porous stone and can be dyed into any colour or shade, a technique used for centuries. [13] For this the stone needs to be fully immersed in various pigment solutions and heated to a specific temperature. [13] The technique can be used to disguise alabaster. In this way an imitation of coral that is called "alabaster coral" is ...
Onyx stone comprises different minerals, including quartz, feldspar, and agate. This article about a specific stratigraphic formation in Arizona is a stub . You can help Wikipedia by expanding it .
Cave onyx is any of various kinds of flowstone considered desirable for ornamental architectural purposes. "Cave onyx" was a common term in certain areas of the United States—particularly the Tennessee - Alabama - Georgia area and the Ozarks —during the 19th and early 20th centuries, being applied to calcite speleothems that were banded in ...
Hardstone is a non-scientific term, mostly encountered in the decorative arts or archaeology, that has a similar meaning to semi-precious stones, or gemstones. [1] Very hard building stones, such as granite, are not included in the term in this sense, but only stones which are fairly hard and regarded as attractive – ones which could be used in jewellery.