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Boothite Mineral Data

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General Boothite Information

Help on Chemical  Formula: Chemical Formula: CuSO4•7(H2O)
Help on Composition: Composition: Molecular Weight = 305.54 gm
   Magnesium   0.57 %  Mg    0.95 % MgO
   Manganese   0.18 %  Mn    0.23 % MnO
   Zinc        7.49 %  Zn    9.32 % ZnO
   Cobalt      1.16 %  Co    1.47 % CoO
   Copper     17.89 %  Cu   22.39 % CuO
   Hydrogen    4.62 %  H    41.27 % H2O
   Sulfur     10.49 %  S    26.20 % SO3
   Oxygen     57.60 %  O
             ______        ______ 
             100.00 %      101.84 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu0.86Mg0.077(Zn0.05)Mn2+0.01Co0.06(SO4)•7(H2O)
Help on Environment: Environment: Secondary mineral in sulfide ores. Ephemeral mineral and virtually impossible to preserve in an artifcial environment.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1903
Help on Locality: Locality: Alma pyrite mine, Leona Heights, Alameda Co. California. Burraga, New South Wales. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Edward Booth (1857-1917), American chemist, University of California.
Help on Name Pronunciation: Name Pronunciation: Boothite Say BOOTHITE

Boothite Image

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  Boothite   Halotrichite

Comments: Pale blue earthy boothite with white halotrichite.
Location: Copiapo, Atacama, Chile. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Boothite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1707:1:1.6559
Help on Cell Dimensions: Cell Dimensions: a = 14.19, b = 6.537, c = 10.825, Z = 4; beta = 106.02° V = 965.13 Den(Calc)= 2.10
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.89(1)(111), 4.826(0.43)(202), 2.798(0.33)(311),5.358(0.22)(011), 3.269(0.2)(020), 5.378(0.13)(102), 2.73(0.11)(411),

Physical Properties of Boothite

Help on Cleavage: Cleavage: {001} Indistinct, {001} Distinct
Help on Color: Color: Blue.
Help on Density: Density: 2.1
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 2-2.5 - Gypsum-Finger Nail
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Silky
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: pale blue

Optical Properties of Boothite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.065 (Fair) - where the CI = (1-KPDmeas/KC)
CI calc= 0.065 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2286,KPDmeas= 0.2286,KC= 0.2445
Ncalc = 1.51
Help on Optical Data: Optical Data: Biaxial (-), a=1.47, b=1.48, g=1.49, bire=0.0200

Calculated Properties of Boothite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.15 gm/cc
note: Specific Gravity of Boothite =2.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0047143477
Boson Index = 0.9952856523
Help on Photoelectric: Photoelectric: PEBoothite = 12.06 barns/electron
U=PEBoothite x rElectron Density= 25.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Boothite is Not Radioactive

Boothite Classification

Help on  Dana Class: Dana Class: (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 � x(H2O)
  (29.06.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c) Melanterite FeSO4•7(H2O) P 21/c 2/m Boothite CuSO4•7(H2O) P 21/c 2/m Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m Bieberite CoSO4•7(H2O) P 21/c 2/m Mallardite MnSO4•7(H2O) P 21/c 2/m Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m
Help on  Strunz Class: Strunz Class: 07.CB.35 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
07.CB.35 Bieberite CoSO4•7(H2O) P 21/c 2/m
07.CB.35 Boothite CuSO4•7(H2O) P 21/c 2/m
07.CB.35 Mallardite MnSO4•7(H2O) P 21/c 2/m
07.CB.35 Melanterite FeSO4•7(H2O) P 21/c 2/m
07.CB.35 Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m
07.CB.35 Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m

Other Boothite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Dana, AmMin 90:771) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Boothite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 07.CB.35





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