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Painite Mineral Data

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General Painite Information

Help on Chemical  Formula: Chemical Formula: CaZrB[Al9O18]
Help on Composition: Composition: Molecular Weight = 586.42 gm
   Sodium      0.74 %  Na    1.00 % Na2O
   Calcium     5.26 %  Ca    7.36 % CaO
   Zirconium   0.62 %  Zr    0.84 % ZrO2
   Titanium    1.55 %  Ti    2.59 % TiO2
   Aluminum   40.49 %  Al   76.50 % Al2O3
   Chromium    0.27 %  Cr    0.35 % CrO
   Boron       1.95 %  B     6.29 % B2O3
   Oxygen     49.11 %  O
             ______        ______ 
             100.00 %       94.94 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca0.77Na0.19Al8.8Ti0.19Cr0.03Zr0.04B1.06O18
Help on Environment: Environment: From gem concentrates and low-silica metamorphic rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Ohngaing, Mogok district, Sagaing, Myanmar. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for A. C. D. Pain (-1971), British gem collector who first noticed the mineral.
Help on Name Pronunciation: Name Pronunciation: Painite Say PAINITE
Help on Synonym: Synonym: ICSD 12136
  PDF 10-405

Painite Image

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Comments: Painite #12, is an orange-brown, 0.156 gram, transparent, uniaxial, gemmy crystal with one perfect termination.
Location: Ongaing village, Mogok region, Myanmar. Scale: Not Given.
© S Naung II

Painite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.97019
Help on Cell Dimensions: Cell Dimensions: a = 8.724, c = 8.464, Z = 2; V = 557.88 Den(Calc)= 3.49
Help on Crystal System: Crystal System: Hexagonal - Dipyramidal H-M Symbol (6/m) Space Group: P 63/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.52(1), 5.76(1), 3.7(0.8),

Physical Properties of Painite

Help on Color: Color: Brownish, Brownish red, Orange red, Red.
Help on Density: Density: 4 - 4.03, Average = 4.01
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Hexagonal - Six-sided crystal shape in cross-section or habit.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Hardness: Hardness: 8 - Topaz
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white

Optical Properties of Painite

Help on Dichroism (e): Dichroism (e): ruby red.
Help on Dichroism (w): Dichroism (w): pale brownish orange.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.138 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2297,KPDmeas= 0.1997,KC= 0.2019
Ncalc = 1.7 - 1.81
Help on Optical Data: Optical Data: Uniaxial (-), e=1.787-1.789, w=1.815-1.816, bire=0.0270-0.0280.

Calculated Properties of Painite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.94 gm/cc
note: Specific Gravity of Painite =4.02 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0071519235
Boson Index = 0.9928480765
Help on Photoelectric: Photoelectric: PEPainite = 3.02 barns/electron
U=PEPainite x rElectron Density= 11.89 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Painite is Not Radioactive

Painite Classification

Help on  Dana Class: Dana Class: (07)Multiple Oxides
  (07.05)where A B X2
  (07.05.02)Dana Group Painite CaZrB[Al9O18] P 63/m 6/m
Help on  Strunz Class: Strunz Class: 06.AB.85 06 - BORATES
  06.A - Monoborates
  06.AB -BO3, with additional anions; 1(D) + OH, etc.
06.AB.85 Painite CaZrB[Al9O18] P 63/m 6/m

Other Painite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v 89, p 610) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Painite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - CalTech Mineral Spectroscopy
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: Strunz No: 06.AB.85





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