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Miserite Mineral Data

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General Miserite Information

Help on Chemical  Formula: Chemical Formula: K1.5-x(Ca, Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O
Help on Composition: Composition: Molecular Weight = 933.24 gm
   Potassium         5.57 %  K     6.71 % K2O
   Sodium            0.05 %  Na    0.07 % Na2O
   Calcium          23.71 %  Ca   33.17 % CaO
   La,Ce,Pr,Nd,Sm,   2.78 %  RE    3.24 % REE2O3
   Yttrium           1.71 %  Y     2.18 % Y2O3
   Magnesium         0.05 %  Mg    0.09 % MgO
   Titanium          0.05 %  Ti    0.09 % TiO2
   Manganese         0.18 %  Mn    0.25 % Mn2O3
   Aluminum          0.03 %  Al    0.05 % Al2O3
   Iron              0.24 %  Fe    0.34 % Fe2O3
   Silicon          24.05 %  Si   51.44 % SiO2
   Hydrogen          0.26 %  H     2.36 % H2O
   Oxygen           40.20 %  O
   Fluorine          1.12 %  F     1.12 % F
                      -   %   F    -0.47 % -O=F2    
                   ______        ______ 
                   100.00 %      100.64 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.33Ca5.52Y0.18REE0.18Fe3+0.04Mn3+0.03Mg0.02Na0.02Ti0.01Si7.99Al0.01O21(OH)(OH)1.45F0.55
Help on Environment: Environment: Metamorphosed shale with wollastonite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1950
Help on Locality: Locality: Wilson Mineral Springs, Arkansas, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Hugh Dinsmore Miser (1884-1969), geologist, U. S. Geological Survey.
Help on Name Pronunciation: Name Pronunciation: Miserite Say MISERITE
Help on Synonym: Synonym: ICSD 30121
  Natroxonotlite
  PDF 22-806
 

Miserite Image

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  Miserite

Comments: Silky crystalline inclusions of maroon-colored miserite with a dark amphibole and white feldspar.
Location: Hodza, Achkan, Kyrgyzstan. Scale: 4.9 x 3.9 cm.
© John Veevaert

Miserite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.6293:1:0.4588
Help on Cell Dimensions: Cell Dimensions: a = 10.12, b = 16.079, c = 7.378, Z = 2; alpha = 96.62°, beta = 111.15°, gamma = 76.33° V = 1,080.70 Den(Calc)= 2.87
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.14(1), 1.641(0.8), 2.377(0.65),
 

Physical Properties of Miserite

Help on Cleavage: Cleavage: {100} Perfect, {010} Indistinct
Help on Color: Color: Lilac pink, Pink, Reddish brown.
Help on Density: Density: 2.84 - 2.93, Average = 2.88
Help on Diaphaneity: Diaphaneity: Translucent
Help on Hardness: Hardness: 5.5-6 - Knife Blade-Orthoclase
Help on Luminescence: Luminescence: Fluorescent, Short UV=clear strong yellow.
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Miserite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.021 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.009 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.207,KPDmeas= 0.2045,KC= 0.2089
Ncalc = 1.59 - 1.61
Help on Optical Data: Optical Data: Biaxial (+), a=1.587, b=1.589, g=1.594, bire=0.0070
Help on Pleochroism (x): Pleochroism (x): colorless.
Help on Pleochroism (y): Pleochroism (y): colorless.
Help on Pleochroism (z): Pleochroism (z): colorless.
 

Calculated Properties of Miserite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.83 gm/cc
note: Specific Gravity of Miserite =2.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEMiserite = 22.42 barns/electron
U=PEMiserite x relectron= 63.41 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,030.78 (Gamma Ray American Petroleum Institute Units)
Concentration of Miserite per GRapi unit = 329.95 (PPM)

Estimated Radioactivity from Miserite - mild
Specimen
Size
Weight/Volume
(Sphere)
*
Calculated
Activity
Bequerols
(Bq)
Calculated
Activity
Curies (Ci)
Estimated
Activity
GR(api)
Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.75 cm 64,126 1.73E-06 3,030.78 1.00
100 gm / 4.06 cm 6,413 1.73E-07 303.08 0.10
10 gm / 1.89 cm 641 1.73E-08 30.31 0.01
1 gm / 8.75 mm 64 1.73E-09 3.03 0.00
0.1 gm / 4.06 mm 6 1.73E-10 0.30 0.00
0.01 gm / 1.89 mm 1 1.73E-11 0.03 0.00
0.001 gm / 0.88 mm 0 1.73E-12 0.00 0.00

Weight of pure Miserite in grams (gm) and Calculated Diameter of a Sphere with a Density of 2.85 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
Estimated Thorium Activity ( 0.14 % Th) From Sum REE Elements ( 2.78 % REE)
 

Miserite Classification

Help on  Dana Class: Dana Class: 70.02.01.01 (70)Inosilicate Column or Tube Structures
  (70.02)with Si2O7 dimers
  (70.02.01)Dana Group
 
70.02.01.01 Miserite K1.5-x(Ca,Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O P1 1
 
70.02.01.02 Frankamenite! K3Na3Ca5(Si12O30)[F,(OH)]4•(H2O) P1 1
Help on  Strunz Class: Strunz Class: 09.DG.85 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DG -Inosilicates with 3-periodic single and multiple chains
 
09.DG.85 Miserite K1.5-x(Ca,Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O P1 1
 

Other Miserite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin 91:1953) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Miserite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Athena
5 - EUROmin Project
6 - Ecole des Mines de Paris
7 - GeoScienceWorld
8 - Glendale Community College
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - MinDAT
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

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Print or Cut-and-Paste your Miserite Specimen Label here :

Miserite

K1.5-x(Ca, Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O
Dana No: 70.02.01.01 Strunz No: 09.DG.85
Locality:

 

Notes:

 

 
   
 


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