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apjohnite
apjohnite Min. (ˈæpdʒɒnaɪt) [named in 1847, from its first analyzer Apjohn (Phil. Mag. XII. 103; 1838).] Manganese alum; a double sulphate of potash and manganese, occurring as a mineral in fibrous or asbestiform masses, white, and with a silky lustre.
Oxford English Dictionary
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Apjohnite
Apjohnite (IMA symbol: Apj) is a manganese aluminium sulfate mineral with the chemical formula MnAl(SO)·22HO. References
External links
Apjohnite data sheet on Webmineral
Apjohnite on the Handbook of Mineralogy
Manganese(II) minerals
Aluminium minerals
Sulfate
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James Apjohn
Subsequently, it was named 'Apjohnite' in his honour.
Apjohn was born on 1 September 1796 at his father's property, Sunville, in Pallasgrean, Co.
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Sulfate mineral
Coquimbite, 50 Paracoquimbite; 55 Rhomboclase, 60 Kornelite, 65 Quenstedtite, 70 Lausenite; 75 Lishizhenite, 75 Romerite; 80 Ransomite; 85 Bilinite, 85 Apjohnite
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manganese
manganese (ˈmæŋgəniːz) Also 7 manganes, 9 manganeze. [a. F. manganèse (16th c.), a. It. manganese, one of the many corrupt forms of L. magnēsia: see magnesia 2. The word appears in Ger. as mangan (hence Du. mangaan, Sw. mangan). Cf. obs. F. mangane.] 1. A black mineral (now recognized as an oxide of...
Oxford English Dictionary
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alum
▪ I. alum, n. (ˈæləm) Forms: 4 alem, 4–5 alym, 4–8 alom, 5–7 alume, alome, 6 alme, 6–7 allume, 6–8 allom(e, allum, 4– alum. [a. OFr. alum:—L. alūmen, the same substance: cf. alūta tawed skin.] 1. A whitish transparent mineral salt, crystallizing in octahedrons, very astringent, used in dyeing, tawin...
Oxford English Dictionary
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Alum
Other double sulfates
A pseudo alum is a double sulfate of the typical formula , where
is a divalent metal ion, such as cobalt (wupatkiite), manganese (apjohnite
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List of minerals recognized by the International Mineralogical Association (A)
[no] [no] (IUPAC: sodium magnesium phosphate nonahydrate)
Aphthitalite (aphthitalite: 1813) 7.AC.35 (IUPAC: tripotassium sodium disulfate)
Apjohnite
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Classification of non-silicate minerals
supergroup
Hydrated acid and sulfates where A(B)2(XO4)4·H2O
Halotrichite group
Pickeringite MgAl2(SO4)4•22H2O, Halotrichite Fe2+Al2(SO4)4•22H2O, Apjohnite
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以人名命名的矿物列表
Ankerite):奥地利矿物学家(Matthias Joseph Anker)
(Anthoinite):比利时采矿工程师雷蒙·安托万(Raymond Anthoine)
(Anthonyite):亚利桑那大学矿物学教授约翰·威廉姆斯·安东尼(John Williams Anthony)
(Apjohnite
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