IMA Symbol

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{{testcase|id=Baryte with IMA symbol|<nowiki>

Baryte (barite)
Baryte crystals from Cerro Huarihuyn, Miraflores, Huamalíes, Huánuco, Peru
General
CategorySulfate mineral, barite group
Formula
(repeating unit)
BaSO4
IMA symbolBrt
Strunz classification7.AD.35
Dana classification28.03.01.01
Crystal systemOrthorhombic
Crystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space groupPnma
Unit cella = 8.884(2) Å,
b = 5.457(3) Å,
c = 7.157(2) Å; Z = 4
Identification
ColorColorless, white, light shades of blue, yellow, grey, brown
Crystal habitTabular parallel to base, fibrous, nodular to massive
CleavagePerfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
FractureIrregular/uneven
TenacityBrittle
Mohs scale hardness3-3.5
LusterVitreous, Pearly
StreakWhite
Diaphaneitytransparent to opaque
Specific gravity4.3–5
Density4.48 g/cm3[1]
Optical propertiesbiaxial positive
Refractive indexnα = 1.634–1.637
nβ = 1.636–1.638
nγ = 1.646–1.648
Birefringence0.012
Fusibility4, yellowish green barium flame
Diagnostic featureswhite color, high specific gravity, characteristic cleavage and crystals
Solubilitylow
References[2][3][4][5]

{{testcase|id=Baryte with blank IMA symbol|<nowiki>

Baryte (barite)
Baryte crystals from Cerro Huarihuyn, Miraflores, Huamalíes, Huánuco, Peru
General
CategorySulfate mineral, barite group
Formula
(repeating unit)
BaSO4
Strunz classification7.AD.35
Dana classification28.03.01.01
Crystal systemOrthorhombic
Crystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space groupPnma
Unit cella = 8.884(2) Å,
b = 5.457(3) Å,
c = 7.157(2) Å; Z = 4
Identification
ColorColorless, white, light shades of blue, yellow, grey, brown
Crystal habitTabular parallel to base, fibrous, nodular to massive
CleavagePerfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
FractureIrregular/uneven
TenacityBrittle
Mohs scale hardness3-3.5
LusterVitreous, Pearly
StreakWhite
Diaphaneitytransparent to opaque
Specific gravity4.3–5
Density4.48 g/cm3[1]
Optical propertiesbiaxial positive
Refractive indexnα = 1.634–1.637
nβ = 1.636–1.638
nγ = 1.646–1.648
Birefringence0.012
Fusibility4, yellowish green barium flame
Diagnostic featureswhite color, high specific gravity, characteristic cleavage and crystals
Solubilitylow
References[2][3][4][5]

{{testcase|id=Baryte without IMA symbol|<nowiki>

Baryte (barite)
Baryte crystals from Cerro Huarihuyn, Miraflores, Huamalíes, Huánuco, Peru
General
CategorySulfate mineral, barite group
Formula
(repeating unit)
BaSO4
Strunz classification7.AD.35
Dana classification28.03.01.01
Crystal systemOrthorhombic
Crystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space groupPnma
Unit cella = 8.884(2) Å,
b = 5.457(3) Å,
c = 7.157(2) Å; Z = 4
Identification
ColorColorless, white, light shades of blue, yellow, grey, brown
Crystal habitTabular parallel to base, fibrous, nodular to massive
CleavagePerfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
FractureIrregular/uneven
TenacityBrittle
Mohs scale hardness3-3.5
LusterVitreous, Pearly
StreakWhite
Diaphaneitytransparent to opaque
Specific gravity4.3–5
Density4.48 g/cm3[1]
Optical propertiesbiaxial positive
Refractive indexnα = 1.634–1.637
nβ = 1.636–1.638
nγ = 1.646–1.648
Birefringence0.012
Fusibility4, yellowish green barium flame
Diagnostic featureswhite color, high specific gravity, characteristic cleavage and crystals
Solubilitylow
References[2][3][4][5]


{{testcase|id=Baryte current live template|<nowiki>

Baryte (barite)
Baryte crystals from Cerro Huarihuyn, Miraflores, Huamalíes, Huánuco, Peru
General
CategorySulfate mineral, barite group
Formula
(repeating unit)
BaSO4
Strunz classification7.AD.35
Dana classification28.03.01.01
Crystal systemOrthorhombic
Crystal classDipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m)
Space groupPnma
Unit cella = 8.884(2) Å,
b = 5.457(3) Å,
c = 7.157(2) Å; Z = 4
Identification
ColorColorless, white, light shades of blue, yellow, grey, brown
Crystal habitTabular parallel to base, fibrous, nodular to massive
CleavagePerfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
FractureIrregular/uneven
TenacityBrittle
Mohs scale hardness3-3.5
LusterVitreous, Pearly
StreakWhite
Diaphaneitytransparent to opaque
Specific gravity4.3–5
Density4.48 g/cm3[1]
Optical propertiesbiaxial positive
Refractive indexnα = 1.634–1.637
nβ = 1.636–1.638
nγ = 1.646–1.648
Birefringence0.012
Fusibility4, yellowish green barium flame
Diagnostic featureswhite color, high specific gravity, characteristic cleavage and crystals
Solubilitylow
References[2][3][4][5]
  1. ^ a b c d Hanor, J. (2000). "Barite-celestine geochemistry and environments of formation". Reviews in Mineralogy. 40 (1). Washington, DC: Mineralogical Society of America: 193–275. Bibcode:2000RvMG...40..193H. doi:10.2138/rmg.2000.40.4. ISBN 0-939950-52-9.
  2. ^ a b c d Dana, James Dwight; Ford, William Ebenezer (1915). Dana's Manual of Mineralogy for the Student of Elementary Mineralogy, the Mining Engineer, the Geologist, the Prospector, the Collector, Etc (13 ed.). John Wiley & Sons, Inc. pp. 299–300.
  3. ^ a b c d Barite at Mindat
  4. ^ a b c d Webmineral data for barite
  5. ^ a b c d Baryte, Handbook of Mineralogy