Mineralogy Database

Kinoite Mineral Data

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General Kinoite Information

Help on Chemical  Formula: Chemical Formula: Ca2Cu2Si3O8(OH)4
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Ca2Cu2Si3O10•2(H2O)
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Helvetia, Santa Rita Mtns., Pima County, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after Eusebio Francisco Kino (1645-1711), Jesuit explorer of the southwestern United States.
Help on Name Pronunciation: Name Pronunciation: Kinoite Say KINOITE
Help on Synonym: Synonym: ICSD 15185
  PDF 23-946

Kinoite Image

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  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

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  Dioptase   Kinoite

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

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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

Help on Axial Ratios: Axial Ratios: a:b:c =0.5422:1:0.4386
Help on Cell Dimensions: Cell Dimensions: a = 6.99, b = 12.89, c = 5.654, Z = 2; beta = 96.08° V = 506.57 Den(Calc)= 3.20
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.72(1), 3.052(0.8), 6.441(0.7),

Physical Properties of Kinoite

Help on Cleavage: Cleavage: {010} Perfect, {100} Distinct, {001} Distinct
Help on Color: Color: Azure blue.
Help on Density: Density: 3.16
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: bluish white

Optical Properties of Kinoite

Help on Gladstone-Dale: 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
Ncalc = 1.65 - 1.66
Help on Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.15 gm/cc
note: Specific Gravity of Kinoite =3.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.008483085
Boson Index = 0.991516915
Help on Photoelectric: Photoelectric: PEKinoite = 13.89 barns/electron
U=PEKinoite x rElectron Density= 43.75 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kinoite is Not Radioactive

Kinoite Classification

Help on  Dana Class: Dana Class: (57)Sorosilicate Insular Si3O10 and Larger Noncyclic Groups
  (57.01)with [Si3O10] groups
  (57.01.02)Dana Group Kinoite Ca2Cu2Si3O8(OH)4 P 21/m 2/m
Help on  Strunz Class: Strunz Class: 09.BH.10 09 - SILICATES (Germanates)
  09.B - Sorosilicates
  09.BH -Sorosilicates with Si3O10, Si4O11, etc
09.BH.10 Kinoite Ca2Cu2Si3O8(OH)4 P 21/m 2/m

Other Kinoite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Kinoite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: Strunz No: 09.BH.10





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