Clinotyrolite Mineral Data

Clinotyrolite Mineral Data +

We specialise in top quality, fine minerals from Morocco, Namibia,
South Africa, Pakistan, Democratic Republic of Congo (ZaÃƒï¿½Ã‚Â¯re) and China
Worldwide Fine Minerals by B & C GOBIN

General Clinotyrolite Information

Chemical Formula:

Ca2Cu9[(As,S)O4]4(OH)10·10(H2O)

Composition:

Molecular Weight = 1,562.71 gm

Calcium 5.13 % Ca 7.18 % CaO

Copper 36.60 % Cu 41.20 % Cu₂O

Arsenic 18.22 % As 27.94 % As₂O₅

Hydrogen 1.97 % H 17.58 % H₂O

Sulfur 0.62 % S 1.54 % SO₃

Oxygen 37.47 % O

______ ______

100.00 % 95.44 % = TOTAL OXIDE

Empirical Formula:

Ca₂Cu₉(AsO₄)_3.8(SO₄)_0.3(OH)_9.9·10.3(H₂O)

Environment:

In the oxidized zone of a copper deposit.

IMA Status:

Approved IMA 1980

Locality:

Dongchuan copper mine, Yunnan Province, China. Link to MinDat.org Location Data.

Name Origin:

For the monoclinic symmetry and relationship to tyrolite.

Clinotyrolite Image

Images:

Click Here for Larger Clinotyrolite Image

Clinotyrolite Azurite

Comments: Light blue acicular crystals of clinotyrolite on dark blue azurite.
Location: Lovelock mine, Churchill County, Nevada, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Clinotyrolite Crystallography

Axial Ratios:

a:b:c =1.8908:1:4.9658

Cell Dimensions:

a = 10.513, b = 5.56, c = 27.61, Z = 2; beta = 94° V = 1,609.94 Den(Calc)= 3.22

Crystal System:

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

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

By Intensity(I/I_o): 2.673(1), 2.96(1), 4.81(0.9),

Physical Properties of Clinotyrolite

Color:

Emerald green.

Density:

3.22

Diaphaniety:

Semitransparent

Habit:

Foliated - Two dimensional platy forms.

Habit:

Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)

Luster:

Silky - Pearly

Streak:

light green

Optical Properties of Clinotyrolite

Gladstone-Dale:

CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.034 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2118,KPDmeas= 0.2118,KC= 0.2193

Optical Data:

Biaxial (-), a=1.666, b=1.686, g=1.694, bire=0.0280, 2V(Calc)=62, 2V(Meas)=65-66.

Calculated Properties of Clinotyrolite

Electron Density:

r_electron=3.11 gm/cc
note: r_{Clinotyrolite}=3.22 gm/cc.

Fermion Index

Fermion Index = 0.00029
Boson Index = 0.99971

Photoelectric:

PE_{Clinotyrolite}= 28.92 barns/electron
U=PE_{Clinotyrolite} x r_electron= 89.93 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Clinotyrolite is Not Radioactive

Clinotyrolite Classification

Dana Class:

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

(42.4)where (AB)5 (XO4)2 Zq · x(H2O)

(42.4.4)Dana Group

42.4.4.1 Clinotyrolite Ca2Cu9[(As,S)O4]4(OH)10·10(H2O) P 2/a 2/m

Strunz Class:

VII/D.54-30 VII - Phosphates, Arsenates and Vanadates

VII/D - Water-bearing phosphates with unfamiliar anions, cations of very big and medium size: Al, Mg and Ca, Na, K

VII/D.54 - Richelsdorfite - Clinotyrolite series

VII/D.54-05 Bleasdaleite! (Ca,Fe)2Cu5(Bi,Cu)(PO4)4(H2O,OH,Cl)13 C 2/m 2/m

VII/D.54-10 Richelsdorfite Ca2Cu5Sb(AsO4)4Cl(OH)6·6(H2O) C 2/m 2/m

VII/D.54-20 Tyrolite CaCu5(AsO4)2(CO3)(OH)4·6(H2O) Pmma 2/m 2/m 2/m

VII/D.54-30 Clinotyrolite Ca2Cu9[(As,S)O4]4(OH)10·10(H2O) P 2/a 2/m

Other Clinotyrolite Information

References:

NAME( AntBidBlaNic4) PHYS. PROP.(AntBidBlaNic4) OPTIC PROP.(AntBidBlaNic4)

See Also:

Links to other databases for Clinotyrolite :
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 -École des Mines de Paris

Search for Clinotyrolite using:

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

Visit our Advertisers for Clinotyrolite :
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 Clinotyrolite Mineral Data :

Ask about Clinotyrolite 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 Clinotyrolite Specimen Label here :

Clinotyrolite

Ca2Cu9[(As,S)O4]4(OH)10·10(H2O)
Dana No: 42.4.4.1 Strunz No: VII/D.54-30
Locality:

Notes: