Kipushite Mineral Data

Kipushite Mineral Data +

[Current Minerals] [Order Status] [Policies] [e-Bay Items]
B & L Minerals, Fine Mineral specimens for sale for collectors of all levels

General Kipushite Information

Chemical Formula:

(Cu,Zn)5Zn(PO4)2(OH)6·(H2O)

Composition:

Molecular Weight = 678.42 gm

Zinc 21.69 % Zn 26.99 % ZnO

Copper 35.13 % Cu 43.97 % CuO

Phosphorus 9.13 % P 20.92 % P₂O₅

Hydrogen 1.04 % H 9.29 % H₂O

Oxygen 33.02 % O

______ ______

100.00 % 101.18 % = TOTAL OXIDE

Empirical Formula:

5(Cu_0.75)5(Zn_0.25)Zn(PO₄)₂(OH)₅·(H₂O)

IMA Status:

Approved IMA 1985

Locality:

Link to MinDat.org Location Data.

Synonym:

ICSD 201847

PDF 38-375

Kipushite Image

Images:

Kipushite

Comments: Green microcrystals of kipushite on matrix.
Location: Kipushi, Shaba, Zaire. Scale: 10x8x5 mm.
© Richard Dale / Dale Minerals

Images:

Kipushite

Comments: Prismatic emerald green microcrystals of kipushite on quartz.
Location: Snowshoe Claim, near Battle Mountain, Lander County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kipushite Crystallography

Axial Ratios:

a:b:c =1.3321:1:1.165

Cell Dimensions:

a = 12.197, b = 9.156, c = 10.667, Z = 4; beta = 99.77° V = 1,173.97 Den(Calc)= 3.84

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 4.03(1), 2.554(0.9), 2.97(0.6),

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

Piret P , Deliens M , Piret-Meunier J , The Canadian Mineralogist , 23 (1985) p.35-42, Occurrence and crystal structure of kipushite, a new copper-zinc, phosphate from Kipushi, Zaire, Locality: Kipushi, Zaire

Physical Properties of Kipushite

Cleavage:

None

Color:

Emerald green.

Density:

3.8

Diaphaniety:

Transparent to Translucent

Fracture:

Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.

Hardness:

4 - Fluorite

Luster:

Vitreous (Glassy)

Streak:

light blue

Optical Properties of Kipushite

Gladstone-Dale:

CI meas= -0.017 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.006 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1885,KPDmeas= 0.1904,KC= 0.1873

Optical Data:

Biaxial (-), a=1.693, b=1.738, g=1.74, bire=0.0470

Calculated Properties of Kipushite

Electron Density:

r_electron=3.68 gm/cc
note: r_Kipushite=3.84 gm/cc.

Fermion Index

Fermion Index = 0.00905
Boson Index = 0.99095

Photoelectric:

PE_Kipushite= 26.70 barns/electron
U=PE_Kipushite x r_electron= 98.32 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kipushite is Not Radioactive

Kipushite Classification

Dana Class:

42.2.4.1 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.2)where (AB)3 (XO4) Zq · x(H2O)

(42.2.4)Dana Group

42.2.4.1 Kipushite (Cu,Zn)5Zn(PO4)2(OH)6·(H2O) P 2₁/c 2/m

42.2.4.2 Philipsburgite (Cu,Zn)6(AsO4,PO4)2(OH)6·(H2O) P 2₁/c 2/m

Strunz Class:

VII/D.19-10 VII - Phosphates, Arsenates and Vanadates

VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe

VII/D.19 - Kipushite - Veszelyite series

VII/D.19-10 Kipushite (Cu,Zn)5Zn(PO4)2(OH)6·(H2O) P 2₁/c 2/m

VII/D.19-20 Philipsburgite (Cu,Zn)6(AsO4,PO4)2(OH)6·(H2O) P 2₁/c 2/m

VII/D.19-30 Veszelyite (Cu,Zn)2ZnPO4(OH)3·2(H2O) P 2₁/a 2/m

Other Kipushite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Search for Kipushite using:

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

Visit our Advertisers for Kipushite :
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 Kipushite Mineral Data :

Ask about Kipushite 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 Kipushite Specimen Label here :

Kipushite

(Cu,Zn)5Zn(PO4)2(OH)6·(H2O)
Dana No: 42.2.4.1 Strunz No: VII/D.19-10
Locality:

Notes: