In its yellow form it is sometimes called "yellow lead ore". It was first discovered at lead mines at Bleigerg in Carinthia in the 18th century. In 1845 the lead molybdate mineral wulfenite was named in his honor by Wilhelm Karl von Haidinger. Layman's explanation: Wulfenite was named after FX Wulffen who was an Austrian mineralogist. It forms as a secondary mineral in the oxidation zones of hydrothermal lead deposits, with coloring ranging anywhere between yellow to bright orange and red, and occasionally brown. A secondary mineral associated with the oxidized zone of lead deposits. THE CHEMICAL FORMULA You can recognize this mineral if you see this formula... PbMoO4 Also known as Wulfenite . Specific Gravity Approximately 6.8 ( Very heavy for a translucent mineral ) Powered by Create your own unique website with customizable templates. Other associated minerals include wulfenite, limonite, and barite. Wulfenite is a heavy mineral with a specific gravity of 6.5-7.0. Chemical formula: PbMoO4. Wulfenite is a minor ore of lead and found in hydrothermal replacement deposits. Wulfenite is a lead based, molybdate mineral with a chemical formula Pb(MoO4). This specimen weighs 142.3 grams and occurs in matrix. A lead molybdate with the chemical formula PbMoO4. Mineral Information. Mineral Group Wulfenite's mineral group is Tungstates and Molybdates. Beautifully colored gems have been faceted from intense orange and reddish orange crystals found at the Red Cloud Mine (and others) in Arizona. Wulfenite | Minerals. Pb is lead, and Mo is molybdenum. A lead molybdate mineral. The formula could be written entirely correctly without the parentheses: PbMoO 4. 3. USA OCCURRENCES: ... so do not use this chemical for cleaning specimens. If you would like to also modify existing data, please create an account and indicate your languages on your user page. General Conichalcite Information : Chemical Formula: CaCu(AsO4)(OH) Composition: Molecular Weight = 259.55 gm Calcium 15.44 % Ca 21.61 % CaO: Copper 24.48 % Cu 30.65 % CuO: Arsenic 28.87 % As 44.28 % As 2 O 5: Hydrogen 0.39 % H 3.47 % H 2 O: Oxygen 30.82 % O: 100.00 % 100.00 % = TOTAL OXIDE Mineral, a lead tungstate; with the formula PbWO 4. Wulfenite is a lead based, molybdate mineral with a chemical formula Pb(MoO4). The chemical formula of wulfenite is Pb(MoO 4). Its dimensions are approximately 65x63x38mm. Though molybdenum is found in such minerals as wulfenite (PbMoO 4 ) and powellite (CaMoO 4 … II is a minor ore of molybdenum, an element used in steel alloys and in high temperature applications like heating elements, drills, and saw blades. Wulfenite was studied by steady-state luminescence spectroscopy and luminescence of (MoO 4) 3-metal-oxygen complexes was found (Gorobets and Rogojine 2001). Article by Jeremy Lott. 138. It is rare because crystals are usually small, tabular and thin. It can be most often found as thin tabular crystals with a bright orange-red to yellow-orange color, sometimes brown, although the color can be highly variable. Apr 21, 2016 - Wulfenite, Laura Mine, Albuñuelas, Granada, Andalusia, Spain Origin: Notably U.S.A. Stolzite-Wikipedia. 05.04.2013 - Wulfenite - a lead molybdate mineral with the formula PbMoO4 diopotasaconmimetita sobre wulfenite.jpg (Author: Peter Megaw) Apr 18, 2012 - This Pin was discovered by Tammy l. Discover (and save!) As an anonymous user, you can only add new data. Wulfenite is in the tetragonal system, often stubby, pyrimidal, tabular, massive, granular, and earthy. Chemical Formula: PbMoO 4 Color: orange-yellow, orange, bright red, olive green, yellow, gray, ... Wulfenite is found in the oxidation zone above lead and zinc deposits. Other names: Lead molybdate. Wulfenite is a lead molybdate mineral with the formula PbMoO4. Wulfenite is … Similar to, and often associated with, wulfenite which is the same chemical formula except that the tungsten is replaced by molybdenum. A lead molybdate with the chemical formula PbMoO4. 90 examples: Disilene (systematically named disilicon tetrahydride) is an inorganic compound… If you would like to also modify existing data, please create an account and indicate your languages on your user page. your own Pins on Pinterest Wulfenite | #Geology #GeologyPage #Mineral Location: Jianshan Mine, Ruoqiang Co., Xinjiang Autonomous Region, China Size: 8.5 x 7.0 x 2.5 cm (small-cabinet) A beautiful cluster of … This is not a likely facet grade crystal specimen of wulfenite. Excitation by CW laser with 532 and 780 nm revealed narrow luminescence lines possibly belonging to Nd 3+ and several broad luminescence bands of unknown origin. Chemical Formula PbMoO4. As an anonymous user, you can only add new data. Wulfenite is a rare secondary mineral and very beautiful gem. 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