• Apjohnite - Wikipedia

    en.wikipedia.org/wiki/Apjohnite Apjohnite is a manganese aluminum sulfate mineral with the chemical formula Mn 2+ Al 2 (SO 4) 4 ·22H 2 O. It was named after Trinity College Dublin professor James Apjohn. Its type locality is Maputo Province, Mozambique.
  • Apjohnite: Mineral information, data and localities.

    www.mindat.org/min-281.html Apjohnite: Menchetti S, Sabelli C (1976) The halotrichite group: The crystal structure of apjohnite Mineralogical Magazine 40 599-608: 1976: Terlano, Bolzano, Italy: 0: 293:
  • Apjohnite | Definition of Apjohnite by Merriam-Webster

    www.merriam-webster.com/dictionary/apjohnite Apjohnite definition is - a mineral MnSO4·Al2(SO4)3·22H2O consisting of manganese aluminum sulfate containing water and occurring in crusts or fibrous masses.
  • Apjohnite Mineral Data

    webmineral.com/data/Apjohnite.shtml Apjohnite Crystallography: Axial Ratios: a:b:c =0.2545:1:0.8734 : Cell Dimensions: a = 6.198, b = 24.347, c = 21.266, Z = 4; beta = 100.28° V = 3,157.58 Den(Calc)= 1.87
  • Apjohnite | Article about apjohnite by The Free Dictionary

    encyclopedia2.thefreedictionary.com/apjohnite Apjohnite occurs commonly as clear needles and silky masses of typical hair-salt appearance; most specimens of hair salt were identified as magnesian apjohnite by semiquantitative analysis with SEM/XRF (most analyses higher in Mn than Mg, with little or no Fe).
  • What does apjohnite mean? - Definitions.net

    www.definitions.net/definition/apjohnite Definition of apjohnite in the Definitions.net dictionary. Meaning of apjohnite. What does apjohnite mean? Information and translations of apjohnite in the most comprehensive dictionary definitions resource on the web.
  • Apjohnite dictionary definition | apjohnite defined

    www.yourdictionary.com/apjohnite apjohnite definition: Noun 1. (mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, manganese, oxygen, and sulfur.Origin -ite...
  • Apjohnite Mineral Data

    webmin.mindat.org/data/Apjohnite.shtml General Apjohnite Information : Chemical Formula: MnAl2(SO4)4•22(H2O) Composition: Molecular Weight = 889.49 gm Manganese 6.18 % Mn 7.98 % MnO: Aluminum 6.07 % Al 11.46 % Al 2 O 3: Hydrogen 4.99 % H 44.56 % H 2 O: Sulfur 14.42 % S 36.00 % SO 3: Oxygen 68.35 % O: 100.00 % 100.00 % = TOTAL OXIDE
  • Apjohnite Mineral Specimen For Sale

    www.dakotamatrix.com/products/5284/apjohnite Apjohnite - A light-weight earthy mass of snow white Apjohnite with yellowish Ilesite. Apjohnite is a manganese-aluminum sulfate with crystal chemistry somewhere in the Halotrichite group. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
  • Apjohnite Mineral Specimen For Sale

    www.dakotamatrix.com/products/18959/apjohnite Apjohnite Formula Mn 2+ Al 2 (SO 4) 4 ·22H 2 O Crystal System Monoclinic Crystal Habit Fibrous, Encrustations Luster Silky Color colorless, white, pale yellow, pale green, pale pink Streak white Class Monoclinic - Prismatic Hardness 1.5-2