Inyoite Mineral Data

Inyoite Mineral Data
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General Inyoite Information

Help on Chemical Formula: Chemical Formula: Ca2B6O6(OH)10•8(H2O)
Help on Composition: Composition: Molecular Weight = 277.60 gm
   Calcium   14.44 %  Ca   20.20 % CaO
   Boron     11.68 %  B    37.62 % B2O3
   Hydrogen   4.72 %  H    42.18 % H2O
   Oxygen    69.16 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaB3O3(OH)5•4(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1916
Help on Locality: Locality: Mount Blanco mine, Mount Blanco, Black Mountains, Death Valley, Inyo County, California. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after it's locality.
Help on Name Pronunciation: Name Pronunciation: Inyoite Say INYOITE
Help on Synonym: Synonym: ICSD 22196
  PDF 37-1459
 

Inyoite Image

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Inyoite

Comments: Glassy gray translucent crystals of inyoite 1.5 cm.+, with minor alteration to white meyerhofferite.
Location: Loma Blanca Mine, Jujuy Province, Argentina. Scale: 5.2x4.1x3.1 cm.
© Richard Dale / Dale Minerals

Inyoite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8814:1:0.6969
Help on Cell Dimensions: Cell Dimensions: a = 10.63, b = 12.06, c = 8.405, Z = 4; beta = 114° V = 984.35 Den(Calc)= 1.87
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.03(1), 7.59(0.7), 2.286(0.25),
Help on Forms: Forms:

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Forms: ( 2 0 1) ( 1 1 1) ( 1 2 0) ( 0 1 0) ( 1 0 1) ( 0 1 1) ( 1 1 0) ( 1 0 0) ( 0 0 1)

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Clark J R , Acta Crystallographica , 12 (1959) p.162-170, Studies of borate minerals IV. The structure of inyoite, CaB3O3(OH)5*4H2O

 

Physical Properties of Inyoite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: White, Pinkish white.
Help on Density: Density: 1.87
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Spherical - Spherical, rounded aggregates.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Inyoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.018 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2715,KPDmeas= 0.2715,KC= 0.2667
Ncalc = 1.5
Help on Optical Data: Optical Data: Biaxial (-), a=1.495, b=1.505-1.5115, g=1.52, bire=0.0250, 2V(Calc)=70-80, 2V(Meas)=70-84. Dispersion relatively weak.
Help on Pleochroism (x): Pleochroism (x): none.
Help on Pleochroism (y): Pleochroism (y): none.
Help on Pleochroism (z): Pleochroism (z): none.
 

Calculated Properties of Inyoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.94 gm/cc
note: Specific Gravity of Inyoite =1.87 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PEInyoite = 1.98 barns/electron
U=PEInyoite x rElectron Density= 3.84 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Inyoite is Not Radioactive
 

Inyoite Classification
Help on Dana Class: Dana Class: 26.03.01.01 (26)Hydrated Borates Containing Hydroxyl or Halogen
  (26.03)Dana Type
  (26.03.01)Inyoite Group
 
26.03.01.01 Inyoite Ca2B6O6(OH)10•8(H2O) P 21/a 2/m
 
26.03.01.02 Inderborite CaMg[B3O3(OH)5]2•6(H2O) A2/a 2/m
 
26.03.01.03 Inderite MgB3O3(OH)5•5(H2O) P 21/a 2/m
Help on Strunz Class: Strunz Class: 06.CA.35 06 - BORATES
  06.C - Triborates
  06.CA -Neso-triborates
 
06.CA.35 Inyoite Ca2B6O6(OH)10•8(H2O) P 21/a 2/m
 

Other Inyoite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Inyoite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST

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Inyoite

Ca2B6O6(OH)10•8(H2O)
Dana No: 26.03.01.01 Strunz No: 06.CA.35
Locality:

 

Notes: