Whiteite-(CaMnMg) Mineral Data

Whiteite-(CaMnMg) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2..&checktime(1275,1,1,':').4491

Help on Cell Dimensions: Cell Dimensions: a = 14.842, b = 6.976, c = 10.109, Z = 2; beta = 112.59° V = 966.36 Den(Calc)= 2.60

Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2/a

Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/I_o): 9.31(1), 2.79(0.8), 4.85(0.5),

Physical Properties of Whiteite-(CaMnMg)

Help on Cleavage: Cleavage: {???} Indistinct

Help on Color: Color: Greenish yellow, Yellow, Light lilac, Pink.

Help on Density: Density: 2.63

Help on Diaphaneity: Diaphaneity: Transparent

Help on Habit: Habit: Aggregates - Made of numerous individual crystals or clusters.

Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.

Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.

Help on Hardness: Hardness: 3.5 - Copper Penny

Help on Luster: Luster: Vitreous (Glassy)

Help on Streak: Streak: white

Optical Properties of Whiteite-(CaMnMg)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.225,KPDmeas= 0.2224,KC= 0.2251
Ncalc = 1.59

Help on Optical Data: Optical Data: Biaxial (+), a=1.58, b=1.584, g=1.591, bire=0.0110, 2V(Calc)=76, 2V(Meas)=74-81.

Calculated Properties of Whiteite-(CaMnMg)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.62 gm/cc
note: Specific Gravity of Whiteite-(CaMnMg) =2.60 gm/cc.

Help on Fermion Index: Fermion Index: Fermion Index = 0.0067726593
Boson Index = 0.9932273407

Help on Photoelectric: Photoelectric: PE_{Whiteite-(CaMnMg)} = 3.62 barns/electron
U=PE_{Whiteite-(CaMnMg)} x rElectron Density= 9.48 barns/cc.

Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Whiteite-(CaMnMg) is Not Radioactive

Whiteite-(CaMnMg) Classification

Help on Dana Class: Dana Class: 42.11.03.03 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen

(42.11)where (AB)4 (XO4)3 Zq ƒL x(H2O)

(42.11.03)Whiteite Group

42.11.03.01 Whiteite-(CaFeMg) Ca(Fe,Mn)Mg2Al2(PO4)4(OH)2•8(H2O) P 2₁/a 2/m

42.11.03.02 Whiteite-(MnFeMg) (Mn,Ca)(Fe,Mn)Mg2Al2(PO4)4(OH)2•8(H2O) P 2/a 2/m

42.11.03.03 Whiteite-(CaMnMg) CaMnMg2Al2(PO4)4(OH)2•8(H2O) P 2/a 2/m

42.11.03.04 Rittmannite MnMnFeAl2(OH)2(PO4)4•8(H2O) P 2/a 2/m

42.11.03.05 Jahnsite-(CaFeFe)! (Ca,Mn)(Fe,Mn)Fe2Fe2(PO4)4(OH)2•8(H2O) P 2/a 2/m

42.11.03.06 Jahnsite-(NaFeMg)! NaFeMg2Fe2(PO4)4(OH)2•8H2O P 2/a 2/m

42.11.03.07 Jahnsite-(CaMgMg)! CaMgMg2Fe2(PO4)4(OH)2•8H2O P 2/a 2/m

42.11.03.08 Jahnsite-(NaMnMg)! NaMnMg2Fe2(PO4)4(OH)2•8H2O P 2/a 2/m

Help on Strunz Class: Strunz Class: 08.DH.15 08 - PHOSPHATES, ARSENATES, VANADATES

08.D - Phosphates, etc

08.DH -With large and medium-sized cations, (OH, etc.):RO4 < 1:1

08.DH.15 Keckite Ca(Mn,Zn)2Fe3(PO4)4(OH)3•2(H2O) P 2₁/a 2/m

08.DH.15 Jahnsite-(CaMnFe) CaMnFe2Fe2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Jahnsite-(CaMnMg) CaMnMg2Fe2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Jahnsite-(CaMnMn) CaMnMn2Fe2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Jahnsite-(MnMnMn)* MnMnMn2Fe2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Kaluginite* (Mn,Ca)MgFe(PO4)2(OH)•4(H2O) C cca 2/m 2/m 2/m

08.DH.15 Rittmannite MnMnFeAl2(OH)2(PO4)4•8(H2O) P 2/a 2/m

08.DH.15 Whiteite-(MnFeMg) (Mn,Ca)(Fe,Mn)Mg2Al2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Whiteite-(CaFeMg) Ca(Fe,Mn)Mg2Al2(PO4)4(OH)2•8(H2O) P 2₁/a 2/m

08.DH.15 Whiteite-(CaMnMg) CaMnMg2Al2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Jahnsite-(CaFeFe)! (Ca,Mn)(Fe,Mn)Fe2Fe2(PO4)4(OH)2•8(H2O) P 2/a 2/m

08.DH.15 Jahnsite-(NaFeMg)! NaFeMg2Fe2(PO4)4(OH)2•8H2O P 2/a 2/m

08.DH.15 Jahnsite-(CaMgMg)! CaMgMg2Fe2(PO4)4(OH)2•8H2O P 2/a 2/m

08.DH.15 Jahnsite-(NaMnMg)! NaMnMg2Fe2(PO4)4(OH)2•8H2O P 2/a 2/m

Other Whiteite-(CaMnMg) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p933,1990) OPTIC PROP.(Am.Min.,Vol.75,p933,1990)

Help on See Also: See Also: Links to other databases for Whiteite-(CaMnMg) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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