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humboldtine

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Humboldtine - Wikipedia
Humboldtine is a rarely occurring mineral from the mineral class of organic compounds with the chemical composition FeC 2 O 4 •2H 2 O en.wikipedia.org
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Humboldtine Mineral Data - Mineralogy Database
General Humboldtine Information. Help on Chemical Formula: Chemical Formula: Fe++(C2O4)•2(H2O). Help on Composition: Composition: Molecular Weight = 179.90 ... webmineral.com
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Lost letter leads to discovery of one of Earth's rarest minerals
The mineral is an organic mineral, a rare class whose crystal lattice holds carbon, hydrogen, and oxygen bound to metals. Humboldtine's formula ... www.earth.com
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humboldtine
humboldtine Min. (ˈhʊmbəʊltaɪn) [f. (1821) as prec.: see -ine.] Hydrous oxalate of iron, found usually in capillary crystals.1822 Amer. Jrnl. Sc. V. 193 A new mineral, discovered..near Bilin in Bohemia has been named Humboldtine. 1852 Shepard Min. 76 Humboldtine..blackens in the flame of a candle. Oxford English Dictionary
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Humboldtine: Mineral information, data and localities.
A rare authigenic organic mineral occurring on fracture surfaces in coal deposits and rarely in granitic pegmatites and hydrothermal mineral deposits. www.mindat.org
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Humboldtine For Sale - FossilEra.com
Humboldtine is a rarely occurring mineral from the mineral class of "organic compounds". It crystallizes in the monoclinic crystal system, but only rarely ... www.fossilera.com
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Humboldtine R130689 - RRUFF Database: Raman, X-ray, Infrared ...
Humboldtine (R130689) is a yellow prismatic mineral with ideal chemistry Fe2+(C2O4)·2H2O, found in Minas Gerais, Brazil, and confirmed by X-ray diffraction. rruff.info
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[PDF] HUMBOLDTINE - A. E. Seaman Mineral Museum
HUMBOLDTINE. Fe2+(C2O4) • 2 H2O. An uncommon oxalate mineral occuring in certain coal deposits and other sedimentary environ- ments. Northern Peninsula. museum.mtu.edu
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Humboldtine Mineral Specimen For Sale - Dakota Matrix Minerals
Humboldtine - Orange yellow mass. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals. www.dakotamatrix.com
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Iron(II)oxalate Dihydrate—Humboldtine: Synthesis, Spectroscopic ...
The present article describes a versatile synthetic approach to single crystals of FeC 2 O 4 × 2 H 2 O and its deuterated analogue starting from metallic iron. www.mdpi.com
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Katsarosite
Katsarosite is categorized in the humboldtine group as the Zn analogue of humboldtine (Fe(C2O4)·2H2O). wikipedia.org
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oxal-
oxal- combining element in chemical terms, used in the sense ‘derived from or related to oxalic acid’, or ‘containing the radical oxalyl’. oxalaˈcetic acid, a dicarboxylic acid, HOOC·CO·CH2·COOH, which crystallizes as an enol form and is produced in vivo by transamination from aspartic acid and in t... Oxford English Dictionary
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HBD (disambiguation)
Brothers Discount Stores Health Biotechnology Division (HBD), of the National Institute for Biotechnology and Genetic Engineering Hdb, IMA symbol for Humboldtine wikipedia.org
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Iron(II) oxalate
However, the dihydrate is known, as humboldtine. wikipedia.org
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Organic mineral
Early descriptions of organic minerals include mellite in 1793, humboldtine in 1821 and idrialite in 1832. , stepanovite and whewellite with leaf litter; and humboldtine, stepanovite and whewellite with coal. wikipedia.org
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