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Scholzite

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About ScholziteHide

08232430014946629602264.jpg
Dr. Adolf Scholz
Formula:
CaZn2(PO4)2 · 2H2O
Colour:
White or colourless
Lustre:
Vitreous, Sub-Vitreous
Hardness:
3 - 3½
Specific Gravity:
3.11 - 3.13
Crystal System:
Orthorhombic
Name:
Named in 1949 by Hugo Strunz in honor of Adolph Scholz [1894-1950], chemist and mineral collector of Regensburg, Germany. The formula was revised by Strunz and Tennyson in 1956.
Dimorph of:
Often contains thin lamellae of its dimorph parascholzite.
Chemically related to skorpionite.


Classification of ScholziteHide

Approved, 'Grandfathered' (first described prior to 1959)
8.CA.45

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
A : With small and large/medium cations
40.2.6.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
19.6.7

19 : Phosphates
6 : Phosphates of Zn

Physical Properties of ScholziteHide

Vitreous, Sub-Vitreous
Transparency:
Transparent, Translucent
Colour:
White or colourless
Streak:
White
Hardness:
3 - 3½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
{100}
Density:
3.11 - 3.13 g/cm3 (Measured)    3.10 g/cm3 (Calculated)

Optical Data of ScholziteHide

Type:
Biaxial (+)
RI values:
nα = 1.581 - 1.585 nβ = 1.586 - 1.587 nγ = 1.596 - 1.599
2V:
Measured: 33° to 70°, Calculated: 34° to 71°
Birefringence:
0.015
Max Birefringence:
δ = 0.015
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v moderate; also r>v
Optical Extinction:
Parallel
Pleochroism:
Non-pleochroic

Chemical Properties of ScholziteHide

Formula:
CaZn2(PO4)2 · 2H2O

Crystallography of ScholziteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pbcm
Cell Parameters:
a = 17.14 Å, b = 22.19 Å, c = 6.61 Å
Ratio:
a:b:c = 0.772 : 1 : 0.298
Unit Cell V:
2,514.02 ų (Calculated from Unit Cell)
Z:
12
Morphology:
Bladed crystals, also elongated to acicular
Comment:
Could be Pbc21

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
8.55 Å(100)
4.53 Å(30)
4.300 Å(60)
3.404 Å(40)
3.182 Å(30)
2.805 Å(70)
1.909 Å(40)

Geological EnvironmentHide

Geological Setting:
granite pegmatites

Type Occurrence of ScholziteHide

Other Language Names for ScholziteHide

German:Scholzit
Simplified Chinese:磷钙锌矿
Spanish:Scholzita

Common AssociatesHide

CollinsiteCa2Mg(PO4)2 · 2H2O
MuscoviteKAl2(AlSi3O10)(OH)2
ParascholziteCaZn2(PO4)2 · 2H2O
SphaleriteZnS
Associated Minerals Based on Photo Data:
8 photos of Scholzite associated with CollinsiteCa2Mg(PO4)2 · 2H2O
8 photos of Scholzite associated with HilliteCa2(Zn,Mg)(PO4)2 · 2 H2O
7 photos of Scholzite associated with CryptomelaneK(Mn4+7Mn3+)O16
4 photos of Scholzite associated with ParahopeiteZn3(PO4)2 · 4H2O
4 photos of Scholzite associated with PhosphophylliteZn2Fe(PO4)2 · 4H2O
3 photos of Scholzite associated with KingsmountiteCa3MnFeAl4(PO4)6(OH)4·12H2O
3 photos of Scholzite associated with KeckiteCaMn2+(Fe3+Mn2+)Fe3+2(PO4)4(OH)3 · 7H2O
3 photos of Scholzite associated with ParascholziteCaZn2(PO4)2 · 2H2O
3 photos of Scholzite associated with ChalcophaniteZnMn4+3O7 · 3H2O
3 photos of Scholzite associated with MetaswitzeriteMn2+3(PO4)2 · 4H2O

Related Minerals - Nickel-Strunz GroupingHide

8.CA.DavidlloyditeZn3(AsO4)2·4H2O Tric. 1 : P1
8.CA.ApexiteNaMg(PO4)·9H2OTric. 1 : P1
8.CA.BrandãoiteBeAl2(PO4)2(OH)2(H2O)5Tric. 1 : P1
8.CA.05FransoletiteCa3Be2(PO4)2(HPO4)2 · 4H2OMon.
8.CA.05ParafransoletiteCa3Be2(PO4)2(HPO4)2 · 4H2OTric. 1 : P1
8.CA.10EhrleiteCa4Be3Zn2(PO4)6 · 9H2OTric. 1 : P1
8.CA.15FaheyiteBe2Mn2+Fe3+2(PO4)4 · 6H2OTrig. 3 2 : P31 2 1
8.CA.20GainesiteNa(Na,K)(Be,Li)Zr2(PO4)4 · 1.5-2H2OTet. 4mm : I41md
8.CA.20MccrillisiteNaCs(Be,Li)Zr2(PO4)4 · 1-2H2OTet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.CA.20SelwyniteNaK(Be,Al)Zr2(PO4)4 · 2H2OTet.
8.CA.25PahasapaiteLi8(Ca,Li,K)10.5Be24(PO4)24 · 38H2OIso. 2 3 : I2 3
8.CA.30HopeiteZn3(PO4)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.CA.30ArsenohopeiteZn3(AsO4)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma
8.CA.35WarikahniteZn3(AsO4)2 · 2H2OTric. 1 : P1
8.CA.40PhosphophylliteZn2Fe(PO4)2 · 4H2OMon. 2/m : P21/b
8.CA.45ParascholziteCaZn2(PO4)2 · 2H2OMon.
8.CA.50KeyiteCu2+3Zn4Cd2(AsO4)6 · 2H2OMon. 2/m
8.CA.55PushcharovskiteK0.6Cu18(AsO4)(HAsO4)10(H2AsO4)4(OH)9.6·18.6H2OTric.
8.CA.60ProsperiteCa2Zn4(AsO4)4 · H2OMon.
8.CA.65GengenbachiteKFe3+3(HPO4)4(H2PO4)2 · 6H2OTrig. 3m : P3 1c
8.CA.70ParahopeiteZn3(PO4)2 · 4H2OTric. 1 : P1

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.6.1TarbuttiteZn2(PO4)(OH)Tric. 1 : P1
19.6.2SpenceriteZn4(PO4)2(OH)2 · 3H2OMon. 2/m : P2/b
19.6.3HopeiteZn3(PO4)2 · 4H2OOrth. mmm (2/m 2/m 2/m) : Pnma
19.6.4ParahopeiteZn3(PO4)2 · 4H2OTric. 1 : P1
19.6.5Veszelyite(Cu,Zn)2Zn(PO4)2 · 2H2OMon. 2/m : P21/b
19.6.6Kipushite(Cu,Zn)5Zn(PO4)2(OH)6 · H2OMon.
19.6.8ParascholziteCaZn2(PO4)2 · 2H2OMon.
19.6.9EhrleiteCa4Be3Zn2(PO4)6 · 9H2OTric. 1 : P1
19.6.10Faustite(Zn,Cu)Al6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.6.11Aheylite(Fe2+,Zn)Al6(PO4)4(OH)8 · 4H2OTric. 1 : P1
19.6.12JungiteCa2Zn4Fe3+8(PO4)9(OH)9 · 16H2OOrth.
19.6.13SchooneriteZnMn2+Fe2+2Fe3+(PO4)3(OH)2 · 9H2OOrth. mmm (2/m 2/m 2/m) : Pbam
19.6.14PhosphophylliteZn2Fe(PO4)2 · 4H2OMon. 2/m : P21/b

Fluorescence of ScholziteHide

Not fluorescent in UV

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for ScholziteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1951) 36: 382.
Strunz, H. and Tennyson, C. (1956) Zeitschrift fuer Kristallographie, v. 107, p. 318.
American Mineralogist (1961) 46: 1519.
American Mineralogist (1981) 66: 843-851.
Zeitschrift für Kristallographie (1992) 198: 239.

Internet Links for ScholziteHide

Localities for ScholziteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • New South Wales
    • Yancowinna Co.
      • Broken Hill district
No reference listed
Birch, W.D., van der Heyden, A. (1997) Minerals of the Kintore and Block 14 open cuts at Broken Hill, New South Wales. Australian Journal of Mineralogy: 3(1): 23-71.
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Leigh Creek
          • Puttapa
Museum Victoria collection(?)
      • South Flinders Ranges
        • Martins Well
Johnston, C.W . & Hill, R.J. (1978): Zinc phosphates at Reaphook Hill South Australia. Mineralogical Record 9,(1), 20-24; SA Geodata Database - Mineral Deposit Details Deposit Number: 3220
Belgium
 
  • Wallonia
    • Liège
      • Visé
1./ A.M. Fransolet, J Jedwab and R. Van Tassel, 1974, Inventaire minéralogique de Richelles, Belgique, Annales de la Société Géologique de Belgique, Tome 27, pp. 23-26.; R. Van Tassel, A.-M. Fransolet and K. Abraham (1979) Drugmanite, Pb2(Fe3+,Al)(PO4)2(OH) · H2O, a New Mineral from Richelle, Belgium. Mineralogical Magazine 1979 43:463-467
China
 
Lairen Lai and Nicheng Shi (1984): Acta Petrologica Mineralogica et Analytica 3(1), 40-46
Czech Republic
 
  • Plzeň Region
    • Domažlice District
      • Otov
Čech F., Staněk J., Dávidová Š. (1981): Minerály pegmatitů. - in: Bernard J.H. [ed.]: Mineralogie Československa. Academia, Praha.
Germany (TL)
 
  • Bavaria
    • Upper Palatinate
      • Neustadt an der Waldnaab
        • Waidhaus
          • Hagendorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
Fortschr.Mineral.(1948) 27, 31; http://www.berthold-weber.de/h_miner.htm
  • Lower Saxony
    • Goslar
      • Rammelsberg
No reference listed
  • North Rhine-Westphalia
    • Arnsberg
      • Märkischer Kreis
        • Iserlohn
          • Letmathe
Bender, D. and Krimmelbein, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10.
Italy
 
  • Sardinia
    • South Sardinia Province
      • Sarrabus-Gerrei
        • Gerrei
          • Villaputzu
Namibia
 
  • ǁKaras Region
    • Oranjemund
      • Rosh Pinah
Jahn, S. (2007): Tarbuttit von der Skorpion Zink Mine, Namibia. Mineralien-Welt 18 (4), 56-66. (in German); Borg, G., Karner, K., Buxton, M., Armstrong, R., Schalk van der Merwe, W. (2003): Geology of the Skorpion supergene zinc deposit, southern Namibia. Economic Geology, 98, 749-771
Spain
 
  • Castile and Leon
    • Salamanca
      • Golpejas-Vega de Tirados
        • Golpejas Mining group
Calvo, M. (2015): Minerales y Minas de España. Vol. VII, Fosfatos, arseniatos y vanadatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 479 pp
USA
 
  • Arizona
    • Mohave County
      • Cleopatra Mining District
        • Kimble Mining Sub-District
          • Rawhide Wash
Jerry A. Baird
  • Nevada
    • Elko Co.
      • Snowstorm Mountains Mining District
Photos in mindat galleries. Material collected 2007 by Jim McGlasson.
    • Lander Co.
      • North Battle Mountain Mining District
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Hidalgo Co.
      • Pyramid Mountains
        • Lordsburg District
          • Lordsburg
            • Virginia District
Don & Cookie Saathoff collection
  • North Carolina
    • Cleveland Co.
      • Kings Mountain Mining District
EDS-SEM. New Orleans University. 12/02
  • South Dakota
    • Custer Co.
      • Custer Mining District
        • Fourmile
Mineralogical Record: 17: 237-254; Rocks & Minerals: 60: 117.
  • Virginia
    • Alleghany Co.
      • Clifton Forge Iron Mining District
Minerals of Virginia 1990 by R. V. Dietrich
Zambia
 
  • Central Province
    • Kabwe District
      • Kabwe (Broken Hill)
[MinRec 11:339]
 
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