![]() Alternatively, the word topaz may be related to the Sanskrit word तपस् "tapas", meaning "heat" or "fire". Pliny said that Topazos is a legendary island in the Red Sea and the mineral "topaz" was first mined there. Ancient Sri Lanka ( Tamraparni) exported native oriental topazes to Greece and ancient Egypt, which led to the etymologically related names of the island by Alexander Polyhistor ( Topazius) and the early Egyptians ( Topapwene) – "land of the Topaz". ![]() The name topaz was first applied to the mineral now known by that name in 1737. John's Island in the Red Sea which was difficult to find and from which a yellow stone (now believed to be chrysolite: yellowish olivine) was mined in ancient times. The name "topaz" is usually believed to be derived (via Old French: Topace and Latin: Topazius) from the Greek Τοπάζιος (Topázios) or Τοπάζιον (Topázion), from Τοπαζος. It is one of the hardest naturally occurring minerals and has a relatively low index of refraction. The rarest are natural pinks, reds, and delicate golden oranges, sometimes with pink hues. Topaz is often treated with heat or radiation to make it a deep blue, reddish-orange, pale green, pink, or purple.Īlthough it is often associated with golden yellow and blue, it comes in a variety of colors, including colorless. ![]() ![]() Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow orange. It is used as a gemstone in jewelry and other adornments. Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al 2 Si O 4( F, OH) 2. Weak in thick sections X = yellow Y = yellow, violet, reddish Z = violet, bluish, yellow, pink Colorless (if there are no impurities), white, blue, brown, orange, gray, yellow, yellowish brown, green, pink, reddish pink or even red ![]()
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