Mineralogy Database

Sarcopside Mineral Data

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General Sarcopside Information

Help on Chemical  Formula: Chemical Formula: (Fe++,Mn,Mg)3(PO4)2
Help on Composition: Composition: Molecular Weight = 338.25 gm
   Magnesium    2.16 %  Mg    3.57 % MgO
   Manganese    4.87 %  Mn    6.29 % MnO
   Iron        39.63 %  Fe   50.98 % FeO
   Phosphorus  17.40 %  P    39.87 % P2O5
   Oxygen      35.95 %  O
              ______        ______ 
              100.00 %      100.71 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+2.4Mn2+0.3Mg0.3(PO4)1.9
Help on Environment: Environment: Formed along with graftonite, probably by exsolution from triphylite, in complex zoned granite pegmatites.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1868
Help on Locality: Locality: Gory Sowie (Michelsdorf), in the Eulengebirge, Silesia, Poland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "flesh" and "view," in allusion to its apparent flesh-red color [due to intimate intergrowth with graftonite].
Help on Name Pronunciation: Name Pronunciation: Sarcopside + Pronunciation Say SARCOPSIDE
Help on Synonym: Synonym: ICSD 72049
  PDF 39-341

Sarcopside Image

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Comments: Brown massive sarcopside.
Location: Bull Moose Mine, Custer County, South Dakota, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Sarcopside Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =2.1889:1:1.2638
Help on Cell Dimensions: Cell Dimensions: a = 10.437, b = 4.768, c = 6.026, Z = 2; beta = 90° V = 299.88 Den(Calc)= 3.75
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.52(1), 2.547(0.81), 3.945(0.72),

Physical Properties of Sarcopside

Help on Cleavage: Cleavage: {100} Good, {001} Good, {010} Poor
Help on Color: Color: Red, Purplish blue, Green, Reddish brown.
Help on Density: Density: 3.64 - 3.73, Average = 3.68
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Splintery - Thin, elongated fractures produced by intersecting good cleavages or partings (e.g. hornblende).
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Hardness: Hardness: 4 - Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Silky
Help on Streak: Streak: white

Optical Properties of Sarcopside

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.025 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.007 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1897,KPDmeas= 0.193,KC= 0.1883
Ncalc = 1.69 - 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.67-1.676, b=1.728-1.73, g=1.73-1.734, bire=0.0580-0.0600, 2V(Calc)=20-28, 2V(Meas)=26-28. Dispersion r > v perceptible.

Calculated Properties of Sarcopside

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.61 gm/cc
note: Specific Gravity of Sarcopside =3.75 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESarcopside = 14.10 barns/electron
U=PESarcopside x rElectron Density= 50.88 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sarcopside is Not Radioactive

Sarcopside Classification

Help on  Dana Class: Dana Class: (38)Anhydrous Phosphates, etc
  (38.03)(A+ B++)3 (XO4)2
  (38.03.01)Sarcopside Group Sarcopside (Fe,Mn,Mg)3(PO4)2 P 21/a 2/m Farringtonite Mg3(PO4)2 P 21/a 2/m Chopinite! (Mg,Fe)3(PO4)2 P 21/c 2/m
Help on  Strunz Class: Strunz Class: 08.AB.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AB -With medium-sized cations
08.AB.15 Sarcopside (Fe,Mn,Mg)3(PO4)2 P 21/a 2/m
08.AB.15 Chopinite! (Mg,Fe)3(PO4)2 P 21/c 2/m

Other Sarcopside Information

Help on References: References: NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic4)
Help on See Also: See Also: Links to other databases for Sarcopside :
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.AB.15





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