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Citrine is a transparent, yellow variety of quartz. Its name is derived from the Latin word citrus (citron tree), by way of the French citrin or citron (lemon). [ 3 ] Citrine is one of the most popular yellow gemstones.
This is a list of gemstones, organized by species and types. Minerals There ... Citrine (var.) Druzy (var.) Flint (var.) Herkimer diamond (var.) Milky quartz (var.)
Yellow quartz ranging to reddish-orange or brown (Madeira citrine), and occasionally greenish yellow: Transparent Macrocrystalline Rose quartz: Pink, may display diasterism: Transparent Macrocrystalline Chalcedony: Fibrous, occurs in many varieties. The term is often used for white, cloudy, or lightly colored material intergrown with moganite.
This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species .
Citrine / ˈ s ɪ t r iː n / is a colour, the most common reference for which is certain coloured varieties of quartz which are a medium deep shade of golden yellow. Citrine has been summarized at various times as yellow, greenish-yellow, brownish yellow or orange. [2] The original reference point for the citrine colour was the citron fruit.
Smoky quartz is a brownish grey, translucent variety of quartz that ranges in clarity from almost complete transparency to an almost-opaque brownish-gray or black crystals. [6] The color of smoky quartz is produced when natural radiation, emitted from the surrounding rock, activates color centers around aluminum impurities within the ...
In 2009, a 7-carat (1.4 g) blue diamond fetched the then highest price per carat ever paid for a diamond when it was sold at auction for 10.5 million Swiss francs (US$9.5 million at the time) which is in excess of US$1.3 million per carat. [17]
Overview of citrus species Common name(s) Image Taxonomic name/constituents Notes Bergamot orange: Citrus bergamia: Citrus bergamia, the bergamot orange, is a fragrant citrus fruit the size of an orange, with a yellow or green colour similar to a lime, depending on ripeness.