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Scholzite

Big Photo

Reaphook Hill, Martins Well, South Flinders Ranges, Flinders Ranges, South Australia, Australia
© Peter Haas

Show Scholzite Photos (45)
Formula:
CaZn
 
2
(PO
 
4
)
 
2
·2H
 
2
O
System:OrthorhombicColour:White or colourless
Lustre:VitreousHardness:3 - 3½
Name:Named after Adolph Scholz, chemist and mineral collector of Regensburg, Germany.
Dimorph of:Parascholzite


Chemically related to skorpionite.

Classification of Scholzite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:7/C.16-20
Nickel-Strunz 10th (pending) edition ID:8.CA.45

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

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2 : AB2(XO4)2·xH2O
Hey's CIM Ref.:19.6.7

19 : Phosphates
6 : Phosphates of Zn
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Type Occurrence of Scholzite

Type Locality:Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Vohenstrauß, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany
Year of Discovery:1948

Physical Properties of Scholzite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent, Translucent
Colour:White or colourless
Hardness (Mohs):3 - 3½

Crystallography of Scholzite

Crystal System:Orthorhombic
Cell Parameters:a = 17.14Å, b = 22.19Å, c = 6.61Å
Ratio:a:b:c = 0.772 : 1 : 0.298
Unit Cell Volume:V 2,514.02 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
Image Loading

Radiation - Copper Kα
Data Set:
Horizontal Axis: ° to ° Vertical Axis: % Source Data: Filtered Data: Peaks:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Optical Data of Scholzite

Type:Biaxial (+)
RI values: nα = 1.581 nβ = 1.586 nγ = 1.596
2V:Measured: 70° , Calculated: 72°
Maximum Birefringence:δ = 0.015

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v moderate

Chemical Properties of Scholzite

Formula:
CaZn
 
2
(PO
 
4
)
 
2
·2H
 
2
O
Essential elements:Ca, H, O, P, Zn
All elements listed in formula:Ca, H, O, P, Zn

Relationship of Scholzite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.CA.05Fransoletite
Ca
 
3
Be
 
2
[HPO
 
4
|PO
 
4
]
 
2
 · 4H
 
2
O
8.CA.05Parafransoletite
Ca
 
3
Be
 
2
[HPO
 
4
|PO
 
4
]
 
2
 · 4H
 
2
O
8.CA.10Ehrleite
Ca
 
4
Be
 
3
Zn
 
2
[PO
 
4
]
 
6
 · 9H
 
2
O
8.CA.15Faheyite
(Mn,Mg,Na)Be
 
2
Fe
 
2
(PO
 
4
)
 
4
·6H
 
2
O
8.CA.20Gainesite
Na(Na,K)(Be,Li)Zr
 
2
[PO
 
4
]
 
4
 · 1.5-2H
 
2
O
8.CA.20Mccrillisite
NaCs(Be,Li)Zr
 
2
(PO
 
4
)
 
4
·1-2H
 
2
O
8.CA.20Selwynite
NaK(Be,Al)Zr
 
2
(PO
 
4
)
 
4
·2H
 
2
O
8.CA.25Pahasapaite
Li
 
8
(Ca,Li,K)
 
10.5
Be
 
24
(PO
 
4
)
 
24
·38H
 
2
O
8.CA.30Hopeite
Zn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
8.CA.35Warikahnite
Zn
 
3
(AsO
 
4
)
 
2
·2H
 
2
O
8.CA.40Phosphophyllite
Zn
 
2
Fe(PO
 
4
)
 
2
·4H
 
2
O
8.CA.45Parascholzite
CaZn
 
2
(PO
 
4
)
 
2
·2H
 
2
O
8.CA.50Keyite
Cu
2+
3
Zn
 
4
Cd
 
2
(AsO
 
4
)
 
6
·2H
 
2
O
8.CA.55Pushcharovskite
K
 
0.6
Cu
 
18
[AsO
 
2
(OH)
 
2
]
 
4
[AsO
 
3
OH]
 
10
(AsO
 
4
)(OH)
 
9.6
·18.6H
 
2
O
8.CA.60Prosperite
CaZn
 
2
[OH|HAsO
 
4
|AsO
 
4
]
8.CA.65Gengenbachite
KFe
3+
3
[H
 
2
PO
 
4
|(HPO
 
4
)
 
2
]
 
2
 · 6H
 
2
O
8.CA.70Parahopeite
Zn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.6.1Tarbuttite
Zn
 
2
[OH|PO
 
4
]
19.6.2Spencerite
Zn
 
4
[OH|PO
 
4
]
 
2
 · 3H
 
2
O
19.6.3Hopeite
Zn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
19.6.4Parahopeite
Zn
 
3
(PO
 
4
)
 
2
·4H
 
2
O
19.6.5Veszelyite
(Cu,Zn)
 
2
Zn(PO
 
4
)
 
2
·2H
 
2
O
19.6.6Kipushite
(Cu,Zn)
 
5
Zn[(OH)
 
3
|PO
 
4
]
 
2
 · H
 
2
O
19.6.8Parascholzite
CaZn
 
2
(PO
 
4
)
 
2
·2H
 
2
O
19.6.9Ehrleite
Ca
 
4
Be
 
3
Zn
 
2
[PO
 
4
]
 
6
 · 9H
 
2
O
19.6.10Faustite
(Zn,Cu)Al
 
6
[(OH)
 
4
|(PO
 
4
)
 
2
]
 
2
 · 4H
 
2
O
19.6.11Aheylite
(Fe
2+
 
,Zn)Al
 
6
[(OH)
 
4
|(PO
 
4
)
 
2
]
 
2
 · 4H
 
2
O
19.6.12Jungite
Ca
 
2
Zn
 
4
Fe
3+
8
[OH|PO
 
4
]
 
9
 · 16H
 
2
O
19.6.13Schoonerite
ZnMn
2+
 
Fe
2+
2
Fe
3+
 
(PO
 
4
)
 
3
(OH)
 
2
 · 9H
 
2
O
19.6.14Phosphophyllite
Zn
 
2
Fe(PO
 
4
)
 
2
·4H
 
2
O

Other Names for Scholzite

Other Languages:
German:Scholzit
Russian:Шольцит
Spanish:Scholzita

Other Information

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

References for Scholzite

Reference List:American Mineralogist (1951): 36: 382.

American Mineralogist (1961): 46: 1519.

American Mineralogist (1981): 66: 843-851.

Zeitschrift für Kristallographie (1992): 198: 239.

Internet Links for Scholzite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Scholzite in the Natural History Museum (London) online catalogue
  • Scholzite details from Handbook of Mineralogy (PDF)
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    Localities for Scholzite

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