Stolzite Mineral Data

General Stolzite Information

Chemical Formula:

PbWO4

Composition:

Molecular Weight = 455.05 gm

Lead 45.53 % Pb 49.05 % PbO

Tungsten 40.40 % W 50.95 % WO₃

Oxygen 14.06 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Pb(WO₄)

Environment:

Dimorphous with raspite. Froms a series with wulfenite.

IMA Status:

Valid Species (Pre-IMA) 1845

Locality:

Cinovec (Zinnwald), Krusne Hory (Erzgebirge), Cechy (Bohemia), Czech Republic. Link to MinDat.org Location Data.

Name Origin:

Named after Joseph Alexis Stolz (1803-1896) from Teplice, Czechoslovakia.

Name Pronunciation:

Stolzite

Synonym:

ICSD 75981

PDF 19-708

Stolzite Image

Images:

Stolzite

Comments: White stolzite crystals on matrix.
Location: Tuena mine, New South Wales, Australia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Stolzite Crystallography

Axial Ratios:

a:c = 1:2.20695

Cell Dimensions:

a = 5.46, c = 12.05, Z = 4; V = 359.23 Den(Calc)= 8.41

Crystal System:

Tetragonal - Dipyramidal H-M Symbol (4/m) Space Group: I 4₁/a

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

By Intensity(I/I_o): 3.25(1), 1.66(0.35), 2.024(0.35),

Forms:

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Forms: ( 0 1 1) ( 1 2 2) ( 1 1 1) ( 0 0 1)

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Physical Properties of Stolzite

Cleavage:

{001} Indistinct, {011} Imperfect

Color:

Reddish brown, Yellowish brown, Brown, Greenish brown, Gray.

Density:

7.9 - 8.2, Average = 8.05

Diaphaneity:

Transparent to Translucent

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Crystalline - Coarse - Occurs as well-formed coarse sized crystals.

Habit:

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

Habit:

Tabular - Form dimensions are thin in one direction.

Hardness:

2.5-3 - Finger Nail-Calcite

Luminescence:

Fluorescent, Short UV=weak yellow, Long UV=weak orange.

Luster:

Adamantine - Resinous

Streak:

white

Optical Properties of Stolzite

Dichroism (e):

colorless.

Dichroism (w):

colorless.

Gladstone-Dale:

CI meas= -0.003 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.04 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1463,KPDmeas= 0.1528,KC= 0.1524
Ncalc = 2.2 - 2.28

Optical Data:

Uniaxial (-), e=2.19, w=2.27, bire=0.0800.

Calculated Properties of Stolzite

Electron Density:

Bulk Density (Electron Density)=6.65 gm/cc
note: Specific Gravity of Stolzite =8.05 gm/cc.

Fermion Index:

Fermion Index = 0.15
Boson Index = 0.85

Photoelectric:

PE_Stolzite=1,373.52 barns/electron
U=PE_Stolzite x rElectron Density=9,136.12 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stolzite is Not Radioactive

Stolzite Classification

Dana Class:

48.01.03.02 (48)Anhydrous Molybdates and Tungstates

(48.01)where A XO4

(48.01.03)Wulfenite Series

48.01.03.01 Wulfenite PbMoO4 I 4₁/a 4/m

48.01.03.02 Stolzite PbWO4 I 4₁/a 4/m

Strunz Class:

07.GA.05 07 - SULFATES (SELENATES, TELLURATES)

07.G - Molybdates, Wolframates and Niobates

07.GA -Without additional anions or H2O

07.GA.05 Fergusonite-(Ce)* (Ce,La,Y)NbO4 I 4₁/a 4/m

07.GA.05 Fergusonite-(Nd)* (Nd,Ce)(Nb,Ti)O4 I 4₁/a 4/m

07.GA.05 Fergusonite-(Y) YNbO4 I 4₁/a 4/m

07.GA.05 Stolzite PbWO4 I 4₁/a 4/m

07.GA.05 Scheelite CaWO4 I 4₁/a 4/m

07.GA.05 Powellite CaMoO4 I 4₁/a 4/m

07.GA.05 Wulfenite PbMoO4 I 4₁/a 4/m

Other Stolzite Information

References:

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

See Also:

Links to other databases for Stolzite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - University of Colorado - Mineral Structure Data
16 - WWW-MINCRYST

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

Stolzite

PbWO4
Dana No: 48.01.03.02 Strunz No: 07.GA.05
Locality:

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