Shattuckite Mineral Data

Shattuckite Mineral Data +

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General Shattuckite Information

Chemical Formula:

Cu5(SiO3)4(OH)2

Composition:

Molecular Weight = 656.08 gm

Copper 48.43 % Cu 60.62 % CuO

Silicon 17.12 % Si 36.63 % SiO₂

Hydrogen 0.31 % H 2.75 % H₂O

Oxygen 34.14 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Cu₅Si₄O₁₂(OH)₂

Environment:

Secondary mineral after malachite.

IMA Status:

Valid Species (Pre-IMA) 1915

Locality:

Shattuck mine, Bisbee, Cochise Co., Arizona, USA. Link to MinDat.org Location Data.

Name Origin:

Named after its locality.

Synonym:

ICSD 100072

PDF 43-1462

Shattuckite Image

Images:

Shattuckite Ajoite

Comments: Dark blue, tabular crystals of shattuckite on light blue ajoite.
Location: New Cornelia mine, Ajo, Pima County, Arizona, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Images:

Shattuckite

Comments: Blue micro acicular or fibrous crystals of shattuckite to 0.1mm free standing in vug.
Location: New Cornelia mine, Pima Co., Arizona, USA. Scale: Picture size 2.5 mm.
© Tom Loomis / Dakota Matrix

Images:

Shattuckite

Comments: Blue, globular aggregates of radial shattuckite crystals.
Location: Grand View Mine, Grand Canyon, Coconino County, Arizona, USA. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Shattuckite Crystallography

Axial Ratios:

a:b:c =0.4984:1:0.2716

Cell Dimensions:

a = 9.876, b = 19.812, c = 5.381, Z = 4; V = 1,052.86 Den(Calc)= 4.14

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pcab

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

By Intensity(I/I_o): 4.432(1), 2.3659(0.7), 3.5(0.7),

Crystal Structure:

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Evans H T , Mrose M E , American Mineralogist , 62 (1977) p.491-502, The crystal chemistry of the hydrous copper silicates, shattuckite and, plancheite, Note: sample is from Ajo, Arizona

Physical Properties of Shattuckite

Cleavage:

[010] Perfect, [100] Perfect

Color:

Blue, Dark blue, Green.

Density:

3.8

Diaphaniety:

Transparent to translucent

Habit:

Fibrous - Crystals made up of fibers.

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Luminescence:

Non-fluorescent.

Luster:

Vitreous (Glassy)

Magnetism:

Nonmagnetic

Streak:

pale blue

Optical Properties of Shattuckite

Gladstone-Dale:

CI meas= -0.093 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.003 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1892,KPDmeas= 0.2061,KC= 0.1886

Optical Data:

Biaxial (+), a=1.753, b=1.782, g=1.815, bire=0.0620

Pleochroism (x):

dark blue.

Pleochroism (y):

blue.

Pleochroism (z):

light blue.

Calculated Properties of Shattuckite

Electron Density:

r_electron=3.98 gm/cc
note: r_Shattuckite=4.14 gm/cc.

Fermion Index

Fermion Index = 0.00816
Boson Index = 0.99184

Photoelectric:

PE_Shattuckite= 21.92 barns/electron
U=PE_Shattuckite x r_electron= 87.13 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Shattuckite is Not Radioactive

Shattuckite Classification

Dana Class:

65.1.7.1 (65)Inosilicate Single-Width Unbranched Chains, W=1

(65.1)with chains P=2

(65.1.7)Dana Group

65.1.7.1 Shattuckite Cu5(SiO3)4(OH)2 Pcab 2/m 2/m 2/m

Strunz Class:

VIII/F.04-10 VIII - Silicates

VIII/F - Inosilicates (chain and band) double chains [Si2O6]4-

VIII/F.04 - Shattuckite series

VIII/F.04-10 Shattuckite Cu5(SiO3)4(OH)2 Pcab 2/m 2/m 2/m

Other Shattuckite Information

References:

NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)

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

Shattuckite

Cu5(SiO3)4(OH)2
Dana No: 65.1.7.1 Strunz No: VIII/F.04-10
Locality:

Notes: