Mineralogy Database

Parascholzite Mineral Data

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General Parascholzite Information

Help on Chemical  Formula: Chemical Formula: CaZn2(PO4)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 396.83 gm
   Calcium     10.10 %  Ca   14.13 % CaO
   Zinc        32.96 %  Zn   41.02 % ZnO
   Phosphorus  15.61 %  P    35.77 % P2O5
   Hydrogen     1.02 %  H     9.08 % H2O
   Oxygen      40.32 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaZn2(PO4)2•2(H2O)
Help on Environment: Environment: Found in association with scholzite.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Hagendorf Sud and Nord, Bavaria, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its dimorphic relationship to scholzite.
Help on Name Pronunciation: Name Pronunciation: Parascholzite Say PARASCHOLZITE
Help on Synonym: Synonym: ICSD 40146
  PDF 35-495

Parascholzite Image

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  Ehrleite   Parascholzite

Comments: White to clear, slender, 1-2mm, thin platy crystals of ehrleite associated with slender or thin,long bladed parascholzite. Type specimen courtesy of Museum of Geology, SD School of Mines.
Location: Tip Top mine, Custer County, South Dakota, USA. Scale: Crystal size 1-2 mm.
© Tom Loomis / Dakota Matrix

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Comments: Bluish, transparent, prismatic parascholzite crystals on matrix.
Location: Hagendorf, Bavaria, Germany. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Parascholzite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.4068:1:0.8992
Help on Cell Dimensions: Cell Dimensions: a = 17.864, b = 7.422, c = 6.674, Z = 4; beta = 106.45° V = 848.66 Den(Calc)= 3.11
Help on Crystal System: Crystal System: Monoclinic Space Group: C 2/c or Cc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.55(1), 2.804(0.8), 4.158(0.5),

Physical Properties of Parascholzite

Help on Cleavage: Cleavage: {100} Parting
Help on Color: Color: Colorless, White.
Help on Density: Density: 3.12
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Parascholzite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.004 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.001 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1906,KPDmeas= 0.19,KC= 0.1908
Ncalc = 1.59 - 1.6
Help on Optical Data: Optical Data: Biaxial (+), a=1.587, b=1.588, g=1.603, bire=0.0160, 2V(Calc)=30, 2V(Meas)=25. Dispersion r > v.

Calculated Properties of Parascholzite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.04 gm/cc
note: Specific Gravity of Parascholzite =3.11 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEParascholzite = 18.16 barns/electron
U=PEParascholzite x rElectron Density= 55.21 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Parascholzite is Not Radioactive

Parascholzite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.02)where A++ (B++)2 (XO4) � x(H2O)
  (40.02.05)Dana Group Parascholzite CaZn2(PO4)2•2(H2O) C 2/c or Cc Mono
Help on  Strunz Class: Strunz Class: 08.CA.45 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CA -With small and large/medium cations
08.CA.45 Parascholzite CaZn2(PO4)2•2(H2O) C 2/c or Cc Mono
08.CA.45 Scholzite CaZn2(PO4)2•2(H2O) Pbmm 2/m 2/m 2/m

Other Parascholzite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Parascholzite :
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

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Dana No: Strunz No: 08.CA.45





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