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A polished almandine stone . Carbuncle (/ ˈ k ɑːr b ʌ ŋ k əl /) is another name for a deep red almandine gemstone that has been cut with a smooth, convex face in a method called cabochon. [1] Traditionally, the term referred to any red gemstone, most often a red garnet. [2] Carbuncles and their chimeras have spanned three millennia.
Corundum is a crystalline form of aluminium oxide (Al 2 O 3) typically containing traces of iron, titanium, vanadium, and chromium. [3] [4] It is a rock-forming mineral.It is a naturally transparent material, but can have different colors depending on the presence of transition metal impurities in its crystalline structure. [7]
It is the seventh stone in Ezekiel 28:13 (in the Hebrew text, but occurring fifth in the Greek translation). The stones is also mentioned with frequency elsewhere (Exodus 24:10, Job 28:6,16, Song 5:14, Isaiah 54:11, Lamentations 4:7; Ezekiel 1:26, 10:1). Sappheiros is also the second foundation stone of the celestial Jerusalem (Revelations 21:19).
The Greeks and Romans, at least from the Hellenistic period onward, used Neolithic stone axeheads for the apotropaic protection of buildings. [6] A 1985 survey of the use of prehistoric axes in Romano-British contexts found forty examples, of which twenty-nine were associated with buildings including villas, military structures such as barracks, temples, and kilns.
The animal is said to have a red shining mirror, like hot glowing coal, on its head, thought to be a precious stone. [1] [1] To the colonial Spaniards and Portuguese, the creature was a realization of the medieval lore that a dragon or wyvern concealed a precious gem in its brain or body (cf. § Early accounts).
Thailand's "Queen Sirikit Navaratna" necklace.. Navaratna (Sanskrit: नवरत्न) is a Sanskrit compound word meaning "nine gems" or "ratnas".Jewellery created in this style has important cultural significance in many southern, and south-eastern Asian cultures as a symbol of wealth, and status, and is claimed to yield talismanic benefits towards health and well-being.
Stone has been used for carving since ancient times for many reasons. Most types of stone are easier to find than metal ores, which have to be mined and smelted. Stone can be dug from the surface and carved with hand tools. Stone is more durable than wood, and carvings in stone last much longer than wooden artifacts.
Particularly fine examples are in Victoria, where the stones can be very large (up to 1 metre (3 ft 3 in) high). For example, the stone arrangement at Wurdi Youang consists of about 100 stones arranged in an egg-shaped oval about 50 metres (160 ft) across. Each stone is well-embedded into the soil, and many have "trigger-stones" to support them.