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Leonite information


Leonite
leonite as white pseudomorphs after sharp freestanding picromerite crystals sizes to 2 cm, perched on a matrix of crystallized halite. 5.5 × 4.7 × 3.4 cm
Leonite
General
CategorySulfate mineral
Formula
(repeating unit)
K2Mg(SO4)2·4H2O
IMA symbolLeo[1]
Strunz classification7.CC.55
Dana classification29.03.03.01
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupC2/m
Unit cella = 11.78, b = 9.53
c = 9.88 [Å]; β = 95.4°; Z = 4
Identification
Formula mass366.69 g/mol
ColorWhite to colorless, yellow
Crystal habitTabular crystals
Twinning{100}
Cleavagenone
Fractureconchoidal
Mohs scale hardness2.5–3
LusterVitreous or waxy
StreakWhite
DiaphaneityTransparent to translucent
Specific gravity2.201
Optical propertiesBiaxial (+)
Refractive indexnα = 1.479 nβ = 1.482 nγ = 1.487
Birefringenceδ = 0.008
2V angleMeasured: 90° Calc: 76°
Dispersionnone
Fusibilityeasy
Other characteristicsLeonit, 钾镁矾, Leonita, Леонит, Kalium-Astrakanit, Kalium-Blödit
References[2][3]

Leonite is a hydrated double sulfate of magnesium and potassium. It has the formula K2SO4·MgSO4·4H2O. The mineral was named after Leo Strippelmann, who was director of the salt works at Westeregeln in Germany.[4] The mineral is part of the blodite group of hydrated double sulfate minerals.[3]

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Mindat.org
  3. ^ a b Leonite Webmineral data
  4. ^ "Leonite" (PDF). Mineral Data Publishing. 2005.

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Leonite

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Leonite is a hydrated double sulfate of magnesium and potassium. It has the formula K2SO4·MgSO4·4H2O. The mineral was named after Leo Strippelmann, who...

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Potassium magnesium sulfate

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crystallise in a number of forms that occur as minerals. Langbeinite K2Mg2(SO4)3 Leonite K2Mg(SO4)2·4H2O Picromerite K2Mg(SO4)2·6H2O This disambiguation page lists...

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De Leonism

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De Leonism, also known as Marxism-De Leonism, is a Marxist tendency developed by Curaçaoan-American trade union organizer and Marxist theoretician Daniel...

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Potassium sulfate

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KMg(SO4)·Cl·3H2O Schönite (now known as picromerite), K2SO4·MgSO4·6H2O Leonite, K2SO4·MgSO4·4H2O Langbeinite, K2Mg2(SO4)3 Aphthitalite (previously known...

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Langbeinite

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and large and small cations. Related substances include hydrated salts leonite (K2Mg(SO4)2·4H2O) and picromerite (K2Mg(SO4)2·6H2O). Warr, L.N. (2021)...

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Kieserite

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with halite, carnallite, polyhalite, anhydrite, boracite, sulfoborite, leonite, epsomite and celestine. In early 2005, Mars Express, a European Space...

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Laurence Harvey

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Pictures Corp. Daliah Lavi, Lionel Jeffries 1967 The Winter's Tale King Leonites Frank Dunlop (director) Cressida Film Productions Jane Asher, Diana Churchill...

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List of mineral symbols

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Lnd Lipscombite Lcb Lovozerite Lvz Labuntsovite-Mn Lab-Mn Laurelite Lrl Leonite Leo Lipuite Lp Löweite Löw Labyrinthite Lby Laurentianite Lre Leószilárdite...

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Socialist Labor Party of America

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revolution as well as socialist utopian thought and his characters often use De Leonite terminology such as "industrial feudalism". All election results taken...

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Sulfate mineral

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Loweite; 50 Blodite, 50 Changoite, 50 Nickelblodite; 55 Mereiterite, 55 Leonite; 60 Boussingaultite, 60 Cyanochroite, 60 Mohrite, 60 Picromerite, 60...

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Picromerite

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show dull, spherical dehydration zones. Progressive dehydration leads to leonite. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical...

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Saint Amaro

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monastery, Leonites, greeted them and told Amaro that he was waiting for him: he was already informed of their arrival by means of a vision. Leonites provided...

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Blodite group

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divalent) cations and two anions. The group includes blödite Na2Mg(SO4)2•4H2O, leonite K2Mg(SO4)2•4(H2O), anapaite Ca2Fe(PO4)2•4(H2O), schertelite (NH4)2Mg(PO3OH)2•4(H2O...

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