Hinsdalite Mineral Data
General Hinsdalite Information
Chemical Formula:
(Pb,Sr)Al3(PO4)(SO4)(OH)6
Composition:
Molecular Weight = 551.33 gm
Strontium 3.97 % Sr 4.70 % SrO
Aluminum 14.68 % Al 27.74 % Al2 O3
Phosphorus 5.62 % P 12.87 % P2 O5
Hydrogen 1.10 % H 9.80 % H2 O
Lead 28.19 % Pb 30.36 % PbO
Sulfur 5.82 % S 14.52 % SO3
Oxygen 40.63 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
Pb0.75 Sr0.25 Al3 (PO4 )(SO4 )(OH)6
Environment:
Secondary mineral in the oxidized zone of polymetallic sulfide deposits.
IMA Status:
Valid Species (Pre-IMA) 1911
Locality:
Golden Fleece mine, Hinsdale County., Colorado, USA. Link to MinDat.org Location Data.
Name Origin:
Named after its locality.
Name Pronunciation:
Hinsdalite + Pronunciation
Hinsdalite Image
Images:
Images:
Hinsdalite Crystallography
Axial Ratios:
a:c = 1:2.40343
Cell Dimensions:
a = 6.99, c = 16.8, Z = 3; V = 710.88 Den(Calc)= 3.86
Crystal System:
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3 m
X Ray Diffraction:
By Intensity(I/Io ): 2.78(1), 2.96(0.8), 5.59(0.65),
Physical Properties of Hinsdalite
Cleavage:
{001} Perfect
Color:
Colorless, Green.
Density:
4.65
Diaphaneity:
Transparent to translucent
Fracture:
Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Habit:
Crystalline - Poor - Occurs primarily as crudely formed crystals.
Habit:
Pseudo Tetragonal - Crystals show a tetragonal shape.
Hardness:
4.5 - Between Fluorite and Apatite
Luminescence:
Non-fluorescent.
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Hinsdalite
Dichroism (e):
none.
Dichroism (w):
none.
Gladstone-Dale:
CI meas = 0.216 (Poor) - where the CI = (1-KPDmeas /KC ) CI calc = 0.056 (Good) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.1768,KPDmeas = 0.1468,KC = 0.1872 Ncalc = 1.72 - 1.87
Optical Data:
Uniaxial (+), w=1.67-1.671, e=1.689-1.7, bire=0.0190-0.0290.
Calculated Properties of Hinsdalite
Electron Density:
Bulk Density (Electron Density)=3.63 gm/cc note: Specific Gravity of Hinsdalite =3.86 gm/cc.
Fermion Index:
Fermion Index = 0.06 Boson Index = 0.94
Photoelectric:
PEHinsdalite = 466.14 barns/electronU=PEHinsdalite x r Electron Density=1,690.53 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Hinsdalite is Not Radioactive
Hinsdalite Classification
Dana Class:
43.04.01.05 (43) Compound Phosphates, etc.
(43.04) (Anhydrous Compound Anions With Hydroxyl or Halogen)
(43.04.01) Beudantite Group
43.04.01.01 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.02 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
43.04.01.03 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.04 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3 m 3 2/m
43.04.01.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.06 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.07 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.08 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
43.04.01.09 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3 m 3 2/m
43.04.01.10 Gallobeudantite ! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
Strunz Class:
08.BL.05 08 - PHOSPHATES, ARSENATES, VANADATES
08.B - Phosphates, etc. with Additional Anions, without H2O
08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1
08.BL.05 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
08.BL.05 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Gallobeudantite ! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
08.BL.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3 m 3 2/m
08.BL.05 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
08.BL.05 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3 m 3 2/m
08.BL.05 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3 m 3 2/m
Other Hinsdalite Information
References:
NAME( Ford32) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic4)
See Also:
Links to other databases for Hinsdalite :
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
16 - WWW-MINCRYST
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Hinsdalite
(Pb,Sr)Al3(PO4)(SO4)(OH)6
Dana No: 43.04.01.05 Strunz No: 08.BL.05
Locality:
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