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Klyuchevskite-Duplicate Mineral Data

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General Klyuchevskite-Duplicate Information

Help on Chemical  Formula: Chemical Formula: K3Cu3Fe+++O2(SO4)4
Help on Composition: Composition: Molecular Weight = 780.03 gm
   Potassium  15.04 %  K    18.11 % K2O
   Iron        7.16 %  Fe   10.24 % Fe2O3
   Copper     24.44 %  Cu   30.59 % CuO
   Sulfur     16.44 %  S    41.06 % SO3
   Oxygen     36.92 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3Cu3Fe3+O2(SO4)4
Help on Environment: Environment: Deposited by fumaroles.
Help on IMA Status: IMA Status: Approved IMA 1989
Help on Locality: Locality: Great Tolbachik fissure eruption, Kamchatka, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the locality.
Help on Name Pronunciation: Name Pronunciation: Klyuchevskite-Duplicate + Pronunciation Say KLYUCHEVSKITE-DUPLICATE
Help on Synonym: Synonym: Duplicate (see 28-4-6-1)

Klyuchevskite-Duplicate Image

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  Klyuchevskite   Klyuchevskite-Duplicate

Comments: Clusters of dark green radiating prismatic klyuchevskite crystals associated with langbeinite, co-type sample. Klyuchevskite-duplicate is the same mineral with different Dana numbers.
Location: Yadevitaya fumarole, Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia. Scale: See Image.
© Rruff Database

Klyuchevskite-Duplicate Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =3.7267:1:3.7732
Help on Cell Dimensions: Cell Dimensions: a = 18.41, b = 4.94, c = 18.64, Z = 4; beta = 101.5° V = 1,661.19 Den(Calc)= 3.12
Help on Crystal System: Crystal System: Monoclinic Space Group: I2/m, Im, or I2
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.03(1), 3.76(0.6), 7.2(0.4),3.41(0.3), 4.5(0.3), 3.45(0.2), 3.68(0.2),

Physical Properties of Klyuchevskite-Duplicate

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Green, Gray green, Olive green.
Help on Density: Density: 3 - 3.15, Average = 3.07
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: greenish

Optical Properties of Klyuchevskite-Duplicate

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.002 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1901,KPDmeas= 0.1928,KC= 0.1924
Ncalc = 1.58 - 1.61
Help on Optical Data: Optical Data: Biaxial (+), a=1.549, b=1.55, g=1.68, bire=0.1310

Calculated Properties of Klyuchevskite-Duplicate

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.98 gm/cc
note: Specific Gravity of Klyuchevskite-Duplicate =3.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.002946345
Boson Index = 0.997053655
Help on Photoelectric: Photoelectric: PEKlyuchevskite-Duplicate = 15.32 barns/electron
U=PEKlyuchevskite-Duplicate x relectron= 45.64 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 210.27 (Gamma Ray American Petroleum Institute Units)
Concentration of Klyuchevskite-Duplicate per GRapi unit = 0.48 (%)

Estimated Radioactivity from Klyuchevskite-Duplicate - barely detectable


Klyuchevskite-Duplicate Classification

Help on  Dana Class: Dana Class: (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.04)Dana Type
  (30.04.01)Dana Group Klyuchevskite-Duplicate K3Cu3FeO2(SO4)4 I2/m, Im, or I2 Mono
Help on  Strunz Class: Strunz Class: 07.BC.45 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
07.BC.45 Alumoklyuchevskite K3Cu3AlO2(SO4)4 I2 2
07.BC.45 Klyuchevskite-Duplicate K3Cu3FeO2(SO4)4 I2/m, Im, or I2 Mono
07.BC.45 Klyuchevskite K3Cu3(Fe,Al)O2(SO4)4 Unk. Mono

Other Klyuchevskite-Duplicate Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Klyuchevskite-Duplicate :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 07.BC.45





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