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A star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism; red stones are known as "star rubies". Star sapphires contain intersecting needle-like inclusions following the underlying crystal structure that causes the appearance of a six-rayed "star"-shaped pattern when viewed with a single overhead light source.
Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. A gemstone (also called a fine gem , jewel , precious stone , semiprecious stone , or simply gem ) is a piece of mineral crystal which, when cut or ...
Originating from the Persian word for the gem, lāžward, [1] lapis lazuli is a rock composed primarily of the minerals lazurite, pyrite and calcite. As early as the 7th millennium BC , lapis lazuli was mined in the Sar-i Sang mines, [ 2 ] in Shortugai , and in other mines in Badakhshan province in modern northeast Afghanistan . [ 3 ]
Sapphire The most popular form of sapphire is blue sapphire, which is known for its medium to deep blue colour and strong saturation. Fancy sapphires of various colours are also available. In the United States, blue sapphire tends to be the most popular and most affordable of the three major precious gemstones (emerald, ruby, and sapphire ...
Asterism on the surface of a blue star sapphire. A purple-pink star sapphire displaying asterism in a platinum ring.. An asterism (from Ancient Greek ἀστήρ (astḗr) 'star' and -ism) is a star-shaped concentration of light reflected or refracted from a gemstone.
Norfolk Samphire (Salicornia europaea)Samphire is a name given to a number of succulent salt-tolerant plants that tend to be associated with water bodies.. Rock samphire (Crithmum maritimum) is a coastal species with white flowers that grows in Ireland, the United Kingdom and the Isle of Man. [1] This is probably the species mentioned by Shakespeare in King Lear.
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The primary issue with the idea that jacinth (hyakinthinous, "hyacinthine") could have been referring to the sapphire, is the conflict that we see in Revelation 21:19-20, which lists both sapphire ("sapphiros") and jacinth (hyakinthinous, "hyacinthine") as completely different stones. [12