Search results
Results from the WOW.Com Content Network
This is a list of gemstones, organized by species and types. Minerals ... January 2019) (Learn how and when to remove this message) This is a list of gemstones, ...
Gachalá Emerald [6] Mogul Mughal Emerald , 217.80 carats cut; mined in Colombia and cut in the Mughal empire in Hijri year 1107 (1695–1696), resides in the Museum of Islamic Art, Doha , Qatar [ 7 ] [ 8 ]
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 .
The bill did not reach a final vote and died in committee at the end of August 2010. In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County .
Lapis lazuli (UK: / ˌ l æ p ɪ s ˈ l æ z (j) ʊ l i, ˈ l æ ʒ ʊ-,-ˌ l i /; US: / ˈ l æ z (j) ə l i, ˈ l æ ʒ ə-,-ˌ l i /), or lapis for short, is a deep-blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color.
Spinel gemstones (1 C, 6 P) Pages in category "Gemstones" The following 144 pages are in this category, out of 144 total. This list may not reflect recent changes. ...
Taaffeite (/ ˈ t ɑː f aɪ t /; BeMgAl 4 O 8) is a mineral, named after its discoverer Richard Taaffe (1898–1967) who found the first sample, a cut and polished gem, in October 1945 in a jeweler's shop in Dublin, Ireland.
The end of Roman Britain marked the end of jet's ancient popularity. [26] Early archaeologists (particularly Victorian) often failed to distinguish between jet and other jet-like materials [28] In particular in southern Britain the material described as jet was often Kimmeridge Shale. [28] [29] and some artifacts use more than one jet-like ...