Kinoite Mineral Data

Kinoite Mineral Data +

General Kinoite Information

Chemical Formula:

Ca2Cu2Si3O8(OH)4

Composition:

Molecular Weight = 487.53 gm

Calcium 16.44 % Ca 23.00 % CaO

Copper 26.07 % Cu 32.63 % CuO

Silicon 17.28 % Si 36.97 % SiO₂

Hydrogen 0.83 % H 7.39 % H₂O

Oxygen 39.38 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₂Cu₂Si₃O₁₀·2(H₂O)

IMA Status:

Approved IMA 1970

Locality:

Helvetia, Santa Rita Mtns., Pima County, Arizona, USA. Link to MinDat.org Location Data.

Name Origin:

Named after Eusebio Francisco Kino (1645-1711), Jesuit explorer of the southwestern United States.

Synonym:

ICSD 15185

PDF 23-946

Kinoite Image

Images:

Kinoite Apophyllite

Comments: Crystals of dark blue kinoite and clear apophyllite.
Location: Christmas Mine, Gila County, Arizona, USA. Scale: Crystal size 2.5 mm.
© John Veevaert

Images:

Kinoite Dioptase

Comments: Fibrous crystals of blue-green dioptase to 0.75mm on clear apophyllite associated with dark blue kinoite.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Pictures size 6 mm.
© Tom Loomis / Dakota Matrix

Images:

Kinoite

Comments: Kinoite crystals as single tabular or platy blue crystals to about 0.3mm and as fan-like sprays. The crystals exhibit striations, a key to distinguishing it from stringhamite.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Picture size 3 mm.
© Tom Loomis / Dakota Matrix

Kinoite Crystallography

Axial Ratios:

a:b:c =0.5422:1:0.4386

Cell Dimensions:

a = 6.99, b = 12.89, c = 5.654, Z = 2; beta = 96.08° V = 506.57 Den(Calc)= 3.20

Crystal System:

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

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

By Intensity(I/I_o): 4.72(1), 3.052(0.8), 6.441(0.7),

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

Laughon R B , American Mineralogist , 56 (1971) p.193-200, The crystal structure of kinoite

Physical Properties of Kinoite

Cleavage:

[010] Perfect, [100] Distinct, [001] Distinct

Color:

Azure blue.

Density:

3.16

Diaphaniety:

Transparent to Translucent

Hardness:

5 - Apatite

Luster:

Vitreous (Glassy)

Streak:

bluish white

Optical Properties of Kinoite

Gladstone-Dale:

CI meas= -0.014 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2061,KPDmeas= 0.2088,KC= 0.2058

Optical Data:

Biaxial (-), a=1.638, b=1.665, g=1.676, bire=0.0380, 2V(Calc)=64, 2V(Meas)=68.

Calculated Properties of Kinoite

Electron Density:

r_electron=3.15 gm/cc
note: r_Kinoite=3.20 gm/cc.

Fermion Index

Fermion Index = 0.00848
Boson Index = 0.99152

Photoelectric:

PE_Kinoite= 13.89 barns/electron
U=PE_Kinoite x r_electron= 43.75 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Kinoite is Not Radioactive

Kinoite Classification

Dana Class:

57.1.2.1 (57)Sorosilicate Insular Si3O10 and Larger Noncyclic Groups

(57.1)with [Si3O10] groups

(57.1.2)Dana Group

57.1.2.1 Kinoite Ca2Cu2Si3O8(OH)4 P 2₁/m 2/m

Strunz Class:

VIII/C.31-10 VIII - Silicates

VIII/C - Sorosilicates with [Si3O10]8- groups

VIII/C.31 - Kinoite series

VIII/C.31-10 Kinoite Ca2Cu2Si3O8(OH)4 P 2₁/m 2/m

Other Kinoite Information

References:

NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

Search for Kinoite using:

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

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

Translate Kinoite Mineral Data :

Ask about Kinoite 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 Kinoite Specimen Label here :

Kinoite

Ca2Cu2Si3O8(OH)4
Dana No: 57.1.2.1 Strunz No: VIII/C.31-10
Locality:

Notes: