Opal — For other uses, see Opal (disambiguation). Opal An opal bracelet. The stone size is 18 by 15 mm (0.7 by 0.6 in) General Category … Wikipedia
Andamooka, South Australia — Infobox Australian Place name=Andamooka state=sa pop=600 postcode=5722 lga=OACDT est=1920s stategov=Electoral district of Giles fedgov=Division of Grey dist1=600 dir1=north location1=Adelaide rainfall=160Andamooka… … Wikipedia
Opal — Blaugrüne Opaladern in eisenreichem Muttergestein aus Australien Chemische Formel SiO2•nH2O Mineralklasse Oxide und Hydroxide 4.DA.10 (8. Auflage: IV/D.1 80) … Deutsch Wikipedia
Andamooka matrix — /ændəmukə ˈmeɪtrɪks/ (say anduhmoohkuh maytriks) noun a pale, porous opal matrix (def. 10) which can be processed to give the appearance of a good gem opal. {named after Andamooka} …
Andamooka — /ændəˈmukə/ (say anduh moohkuh) noun a small town in eastern central SA noted for opal mining …
Halley's Comet Opal — The Halley s Comet Opal is the largest uncut black opal in the world, according to the Guinness Book of World Records. It is so named because it was unearthed in 1986, a year when Halley s Comet could be seen from Earth.cite web… … Wikipedia
List of gemstones — A number of gemstones have gained fame, either because of their size and beauty or because of the people who owned or wore them.A list of famous gemstones follows Aquamarines*The Giant Aquamarine Diamonds : See List of famous diamonds… … Wikipedia
Outback (region) — The Outback Region, as defined by the Local Government Association of South Australia[1], is one of seven regions of South Australia. Contents … Wikipedia
Feueropal — Opal Blaugrüne Opaladern in eisenreichem Muttergestein aus Australien Chemische Formel SiO2•nH2O Mineralklasse Oxide mit Metall: Sauerstoff = 1:2 IV/D.1 80 (nach Strunz) 75.2.1.1 ( … Deutsch Wikipedia
Girasol — Opal Blaugrüne Opaladern in eisenreichem Muttergestein aus Australien Chemische Formel SiO2•nH2O Mineralklasse Oxide mit Metall: Sauerstoff = 1:2 IV/D.1 80 (nach Strunz) 75.2.1.1 ( … Deutsch Wikipedia