General Prismatine Information![]() ([ ],Fe,Mg)(Mg,Al,Fe)5Al4Si2(Si,Al)2(B,Si,Al)(O,OH,F)22 |
![]() Molecular Weight = 755.83 gm |
|
Magnesium 9.97 % Mg 16.53 % MgO |
|
Aluminum 21.78 % Al 41.14 % Al2O3 |
|
Iron 5.91 % Fe 2.85 % FeO / 5.28 % Fe2O3 |
|
Silicon 14.12 % Si 30.21 % SiO2 |
|
Boron 0.86 % B 2.76 % B2O3 |
|
Hydrogen 0.40 % H 3.58 % H2O |
|
Oxygen 44.45 % O |
|
Fluorine 2.51 % F 2.51 % F |
|
- %
F -1.06 % -O=F2 |
|
______ ______ |
|
100.00 % 103.81 % = TOTAL OXIDE |
![]() Fe2+0.3Mg0.1Mg3Al1.5Fe3+0.5Al4.6Si3.8B0.6O18(OH)3F |
![]() Metamorphism of boron rich clay sediments to granulite facies. |
![]() Approved IMA 1996 (Dana # Added) |
![]() Waldheim, Sachsen (Saxony), Germany Link to MinDat.org Location Data. |
![]() Named for the prismatic form of typical crystals. |
![]() Prismatine + Pronunciation |
![]() | | Prismatine Image
|
![]()
|
Prismatine Crystallography![]() a:b:c =1.1656:1:0.4895 |
![]() a = 15.938, b = 13.673, c = 6.693, Z = 4; V = 1,458.54 Den(Calc)= 3.44 |
![]() Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: C mcm |
| Physical Properties of Prismatine![]() {110} Perfect |
![]() Yellow brown, Green brown, Brown green. |
![]() 3.341 - 3.345, Average = 3.34 |
![]() Transparent to Translucent |
![]() 6.5-7 - Pyrite-Quartz |
![]() Vitreous (Glassy) |
![]() white |
| Optical Properties of Prismatine![]() CI meas= 0.054 (Good) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.081 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2043,KPDmeas= 0.2102,KC= 0.2223 Ncalc = 1.74 - 1.76 ![]() Biaxial (-), a=1.669-1.671, b=1.681-1.83, g=1.682-1.684, bire=0.0130 |
| Calculated Properties of Prismatine![]() Bulk Density (Electron Density)=3.30 gm/cc |
note: Specific Gravity of Prismatine =3.34 gm/cc. ![]() Fermion Index = 0.01 |
Boson Index = 0.99 ![]() PEPrismatine = 3.16 barns/electron |
U=PEPrismatine x rElectron Density= 10.43 barns/cc. ![]() GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Prismatine is Not Radioactive | Prismatine Classification![]() 58.01.01.02 (58)Sorosilicate Insular, Mixed, Single, and Larger Tetrahedral Groups |
|
(58.01)with cations in [4] and higher coordination; single and double groups (n=1,2) |
|
(58.01.01)Kornerupine Group |
|
|
![]() 09.BJ.50 09 - SILICATES (Germanates) |
|
09.B - Sorosilicates |
|
09.BJ -Sorosilicates with Si3O10, Si4O11, etc |
|
|
| Other Prismatine Information![]() NAME( Min.Mag.,Vol.60,No3,p483-491,1996) PHYS. PROP.(Min.Mag.,Vol.60,No3,p483-491,1996) OPTIC PROP.(Min.Mag.,Vol.60,No3,p483-491,1996) |
![]() Links to other databases for Prismatine : |
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 - Scandinavian mineral gallery Search for Prismatine using: Visit our Advertisers for Prismatine : A Bijoux Google Search for PrismatineAdam's Minerals Google Search for Prismatine Cape Minerals Google Search for Prismatine Dakota Matrix Minerals Google Search for Prismatine Excalibur Mineral Corp. Google Search for Prismatine Exceptional Minerals Google Search for Prismatine John Betts Fine Minerals Search for Prismatine McDougall Minerals Google Search for Prismatine Mineral News Website Link Rock and Mineral Shows Google Search for Prismatine Weinrich Minerals, Inc. Google Search for Prismatine Ask about Prismatine here : Print or Cut-and-Paste your Prismatine Specimen Label here :
| |
|
| |