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Protomangano-ferro-anthophyllite Mineral Data

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General Protomangano-ferro-anthophyllite Information

Help on Chemical  Formula: Chemical Formula: (Mn++,Fe++)2(Fe++,Mg)5(Si4O11)2(OH)2
Help on Composition: Composition: Molecular Weight = 969.16 gm
   Magnesium   2.51 %  Mg    4.16 % MgO
   Manganese   5.67 %  Mn    7.32 % MnO
   Iron       28.81 %  Fe   37.07 % FeO
   Silicon    23.18 %  Si   49.60 % SiO2
   Hydrogen    0.21 %  H     1.86 % H2O
   Oxygen     39.62 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Fe2+5MgSi8O22(OH)2
Help on Environment: Environment: Bedded Mn deposit at Yokoneyama. At the Suishoyama pegmatite the mineral is mixed with clinoamphiboles.
Help on IMA Status: IMA Status: Approved IMA 1986 (Dana # Added)
Help on Locality: Locality: Yokoneyama, Tochigi Prefecture, Japan. Siushoyama, Fukushima Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name indicates the structural relationship to protoamphiboles, and the compositional relationship to protoferro-anthophyllite and anthophyllite.
Help on Name Pronunciation: Name Pronunciation: Protomangano-ferro-anthophyllite + Pronunciation Say PROTOMANGANO-FERRO-ANTHOPHYLLITE
Help on Synonym: Synonym: IMA1986-007
 

Protomangano-ferro-anthophyllite Image

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  Protomangano-ferro-anthophyllite

Comments: Light brown, silky protomangano-ferro-anthophyllite crystals on brown fayalite with grunerite.
Location: Suishouyama Pegmatite, Lizaka, Kawamatacho, Fukushima, Japan. Scale: Specimen Size 3x3 cm.
© Diederik Visser

Protomangano-ferro-anthophyllite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.5149:1:0.292
Help on Cell Dimensions: Cell Dimensions: a = 9.425, b = 18.303, c = 5.345, Z = 2; V = 922.04 Den(Calc)= 3.49
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnmn
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.098(1)(310), 8.366(0.92)(110), 2.548(0.58)(161,251,112),3.285(0.55)(240), 2.881(0.29)(151), 3.701(0.24)(131), 2.027(0.21)(361), 4.584(0.2)(040),
 

Physical Properties of Protomangano-ferro-anthophyllite

Help on Cleavage: Cleavage: {210} Perfect
Help on Color: Color: Light brownish yellow, White.
Help on Density: Density: 3.5
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Acicular - Occurs as needle-like crystals.
Help on Habit: Habit: Wheat Sheaf - Bundle shaped aggregates resembling wheat sheafs after hand reaping wheat.
Help on Hardness: Hardness: 5-6 - Between Apatite and Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Protomangano-ferro-anthophyllite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.009 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.012 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2044,KPDmeas= 0.2038,KC= 0.2019
Ncalc = 1.7 - 1.71
Help on Optical Data: Optical Data: Biaxial (-), a=1.695, b=1.714, g=1.731, bire=0.0360
 

Calculated Properties of Protomangano-ferro-anthophyllite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.42 gm/cc
note: Specific Gravity of Protomangano-ferro-anthophyllite =3.50 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEProtomangano-ferro-anthophyllite = 10.97 barns/electron
U=PEProtomangano-ferro-anthophyllite x rElectron Density= 37.49 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Protomangano-ferro-anthophyllite is Not Radioactive
 

Protomangano-ferro-anthophyllite Classification

Help on  Dana Class: Dana Class: 66.01.02.03b (66)Inosilicate Double-Width Unbranched Chains, W=2
  (66.01)with P=2 amphibole configuration
  (66.01.02)Dana Group
 
66.01.02.01 Magnesioanthophyllite? (Mg,Fe)7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.02 Anthophyllite []Mg7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.02a Protoanthophyllite! (Mg,Fe)7Si8O22(OH)2 Pnmn 2/m 2/m 2/m
 
66.01.02.03 Ferro-anthophyllite []Fe7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.03a Protoferro-anthophyllite! (Fe,Mn)2(Fe,Mg)5(Si4O11)2(OH)2 Pnmn 2/m 2/m 2/m
 
66.01.02.03b Protomangano-ferro-anthophyllite! (Mn,Fe)2(Fe,Mg)5(Si4O11)2(OH)2 Pnmn 2/m 2/m 2/m
 
66.01.02.04 Sodicanthophyllite NaMg7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.04a Sodic-ferro-anthophyllite! NaFe7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.05 Magnesiogedrite? (Mg,Fe)5Al2Si6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.06 Gedrite []Mg5Al2Si6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.07 Ferrogedrite []Fe5Al2Si6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.07a Sodic-ferrogedrite! NaFe6AlSi6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.08 Sodicgedrite NaMg6AlSi6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.09 Magnesioholmquistite Li2(Mg,Fe)3Al2Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.10 Holmquistite [](Li2Mg3Al2)Si8O22(OH)2 P nma 2/m 2/m 2/m
 
66.01.02.11 Ferroholmquistite [](Li2Fe3Al2)Si8O22(OH)2 P nma 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 09.DE.05 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DE -Inosilicates with 2-periodic double chains, Si4O11; amphibole family
 
09.DE.05 Ferro-anthophyllite []Fe7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Anthophyllite []Mg7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Ferrogedrite []Fe5Al2Si6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Gedrite []Mg5Al2Si6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Ferroholmquistite [](Li2Fe3Al2)Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Holmquistite [](Li2Mg3Al2)Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Cummingtonite []Mg7Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Clinoferroholmquistite [](Li2Fe3Al2)Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Grunerite []Fe7Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Magnesiocummingtonite (Mg,Fe)7Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Manganogrunerite []Mn2Fe5Si8O22(OH) C 2/m 2/m
 
09.DE.05 Magnesioanthophyllite? (Mg,Fe)7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Protomangano-ferro-anthophyllite! (Mn,Fe)2(Fe,Mg)5(Si4O11)2(OH)2 Pnmn 2/m 2/m 2/m
 
09.DE.05 Sodicgedrite NaMg6AlSi6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Sodic-ferro-anthophyllite! NaFe7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Sodic-ferrogedrite! NaFe6AlSi6Al2O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Sodicanthophyllite NaMg7Si8O22(OH)2 P nma 2/m 2/m 2/m
 
09.DE.05 Permanganogrunerite! []Mn4(Fe)3(Si8O22)(OH)2 C 2/m 2/m
 
09.DE.05 Protoferro-anthophyllite! (Fe,Mn)2(Fe,Mg)5(Si4O11)2(OH)2 Pnmn 2/m 2/m 2/m
 
09.DE.05 Fluoro-sodic-pedrizite! NaLi2(Mg2Al2Li)S5Si8O22F2 C 2/m 2/m
 
09.DE.05 Sodic-ferri-ferropedrizite! NaLi2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Manganocummingtonite Na(Na,Mn)2(Mg4,Fe)5Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Protoanthophyllite! (Mg,Fe)7Si8O22(OH)2 Pnmn 2/m 2/m 2/m
 
09.DE.05 Ferri-clinoferroholmquistite! []Li2(Fe2Fe3)Si8O22(OH)2 C 2/m 2/m
 
09.DE.05 Sodic-ferripedrizite! Na(LiNa)(Fe2Mg2Li)Si8O22(OH,F)2 C 2/m 2/m
 
09.DE.05 Ferripedrizite! NaLi2(Fe2Mg2Li)Si8O22(OH)2 C 2/m 2/m
 

Other Protomangano-ferro-anthophyllite Information

Help on References: References: NAME( Am.Min.,Vol.84,p196,1999) PHYS. PROP.(Am.Min.,Vol.84,p196,1999) OPTIC PROP.(Am.Min.,Vol.84,p196,1999)
Help on See Also: See Also: Links to other databases for Protomangano-ferro-anthophyllite :
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
11 - WWW-MINCRYST

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Print or Cut-and-Paste your Protomangano-ferro-anthophyllite Specimen Label here :

Protomangano-ferro-anthophyllite

(Mn++,Fe++)2(Fe++,Mg)5(Si4O11)2(OH)2
Dana No: 66.01.02.03b Strunz No: 09.DE.05
Locality:

 

Notes:

 

 
   
 


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