Kamchatkite Mineral Data

Kamchatkite Mineral Data +

[Newest Minerals] [Minerals for Sale] [Tsumeb Mine] [Mineral Auctions] [Mineral Gallery]
The Mineral Gallery's Exceptional Specimens and Mineral Hall of Fame
Visa and Mastercard are Welcome

General Kamchatkite Information

Chemical Formula:

KCu++3OCl(SO4)2

Composition:

Molecular Weight = 473.32 gm

Potassium 8.26 % K 9.95 % K₂O

Copper 40.28 % Cu 50.42 % CuO

Sulfur 13.55 % S 33.83 % SO₃

Chlorine 7.49 % Cl 7.49 % Cl

- % Cl -1.69 % -O=Cl₂

Oxygen 30.42 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

KCu₃OCl(SO₄)₂

IMA Status:

Approved IMA 1988

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 66309

PDF 41-1394

Search for Kamchatkite Images

Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.

Kamchatkite Crystallography

Axial Ratios:

a:b:c =0.7575:1:0.5444

Cell Dimensions:

a = 9.741, b = 12.858, c = 7.001, Z = 4; V = 876.87 Den(Calc)= 3.59

Crystal System:

Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P na2₁

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 7.76(1), 3.501(0.65), 2.591(0.41),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above

Varaksina T V , Fundamensky V S , Filatov S K , Vergasova L P , Mineralogical Magazine , 54 (1990) p.613-616, The crystal structure of kamchatkite, a new naturally occuring, oxychloride sulphate of potassium and copper, Locality: Tolbachik Main Fracture eruption, Kamchatka, Russia

Physical Properties of Kamchatkite

Cleavage:

[???] Perfect

Color:

Greenish brown.

Density:

3.48

Diaphaniety:

Transparent

Hardness:

3.5 - Copper Penny

Luster:

Vitreous (Glassy)

Streak:

yellow

Optical Properties of Kamchatkite

Gladstone-Dale:

CI meas= -0.102 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.068 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2017,KPDmeas= 0.208,KC= 0.1888

Optical Data:

Biaxial (+), a=1.695, b=1.718, g=1.759, bire=0.0640, 2V(Calc)=76, 2V(Meas)=75.

Calculated Properties of Kamchatkite

Electron Density:

r_electron=3.44 gm/cc
note: r_Kamchatkite=3.59 gm/cc.

Fermion Index

Fermion Index = 0.00117
Boson Index = 0.99883

Photoelectric:

PE_Kamchatkite= 19.87 barns/electron
U=PE_Kamchatkite x r_electron= 68.42 barns/cc.

Radioactivity:

GRapi = 114.33 (Gamma Ray American Petroleum Institute Units)

Estimated Radioactivity from Kamchatkite - barely detectable

Kamchatkite Classification

Dana Class:

30.2.8.1 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen

(30.2)where (A B)2 XO4 Zq

(30.2.8)Dana Group

30.2.8.1 Kamchatkite KCu3OCl(SO4)2 P na2₁ mm2

Strunz Class:

VI/B.05-30 VI - Sulfates,Chromates,Molybdates and Tungstates

VI/B - Waterfree sulfates [SO4]2- with unfamiliar anions. cations of medium size

VI/B.05 - Fedotovite - Klyuchevskite series

VI/B.05-10 Fedotovite K2Cu3(SO4)3O P 2₁/c 2/m

VI/B.05-20 Chlorothionite K2Cu(SO4)Cl2 P nma 2/m 2/m 2/m

VI/B.05-30 Kamchatkite KCu3OCl(SO4)2 P na2₁ mm2

VI/B.05-40 Piypite K2Cu2(SO4)2O I 4 4

VI/B.05-45 Alumoklyuchevskite K3Cu3AlO2(SO4)4 I2 2

VI/B.05-50 Klyuchevskite K3Cu3(Fe,Al)O2(SO4)4 Unk. Mono

VI/B.05-50* Klyuchevskite-Duplicate K3Cu3FeO2(SO4)4 I2/m, Im, or I2 Mono

Other Kamchatkite Information

References:

PHYS. PROP.(Am.Min.,Vol.75,p1210,1990) OPTIC PROP.(Am.Min.,Vol.75,p1210,1990)

See Also:

Links to other databases for Kamchatkite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris

Search for Kamchatkite using:

[ALTAVISTA] [AOL] [About.com] [All-The-Web] [HotBot] [Ixquick] [LookSmart] [MAMMA] [MSN.COM] [Netscape] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Kamchatkite :
AA Mineral Specimens
B and L Minerals
Dan Weinrich Fine Minerals
Dan Weinrich Auctions
e-Rocks Auctions
Excalibur Minerals
Exceptional Minerals
Fabre Minerals
Greenside Minerals
John Betts Fine Minerals
Masons Minerals
Minernet.it
Mineral News
Mineral of the Month Club
MineralsWeb Fine Minerals
Rockshop.cz Kalat Fine Minerals
T G Fine Minerals
Wrights Rock Shop

Translate Kamchatkite Mineral Data :

Ask about Kamchatkite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Español

Print or Cut-and-Paste your Kamchatkite Specimen Label here :

Kamchatkite

KCu++3OCl(SO4)2
Dana No: 30.2.8.1 Strunz No: VI/B.05-30
Locality:

Notes: