IMA2000-030 Mineral Data

IMA2000-030 Mineral Data

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General IMA2000-030 Information

Chemical Formula:

CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)

Composition:

Molecular Weight = 973.16 gm

Calcium 4.12 % Ca 5.76 % CaO

Magnesium 9.99 % Mg 16.57 % MgO

Aluminum 13.86 % Al 26.19 % Al₂O₃

Silicon 17.32 % Si 37.04 % SiO₂

Boron 3.33 % B 10.73 % B₂O₃

Hydrogen 0.41 % H 3.70 % H₂O

Oxygen 50.97 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

CaMg₄Al₅Si₆O₁₈(BO₃)₃(OH)₄

Environment:

Tourmaline group; structure ulviite

IMA Status:

Proposed IMA 2000 (Dana # Added)

Locality:

Link to MinDat.org Location Data.

Name Origin:

Commission on New Minerals and Mineral Names (CNMMN)

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IMA2000-030 Crystallography

Axial Ratios:

a:c = 1:0.45217

Cell Dimensions:

a = 15.954, c = 7.214, V = 1,590.18

Crystal System:

Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: R 3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 3.978(1), 2.582(0.9), 4.234(0.9),2.969(0.8), 3.491(0.7), 4.596(0.5), 4.981(0.5), 6.38(0.5),

Physical Properties of IMA2000-030

Color:

Orange.

Diaphaniety:

Transparent

Luster:

Vitreous (Glassy)

Optical Properties of IMA2000-030

Optical Data:

Uniaxial (-), e=1.624, w=1.646, bire=0.0220.

Calculated Properties of IMA2000-030

Fermion Index

Fermion Index = 0.025
Boson Index = 0.975

Photoelectric:

PE_IMA2000-030= 1.84 barns/electron
U=PE_IMA2000-030 x r_electron= . barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

IMA2000-030 is Not Radioactive

IMA2000-030 Classification

Dana Class:

61.3b.1.5 (61)Cyclosilicate Six-Membered Rings

(61.3b)with borate groups (Calcic Tourmaline Subgroup)

(61.3b.1)Dana Group

61.3b.1.2 Liddicoatite! Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4 R 3m 3m

61.3b.1.3 Uvite! (Ca,Na)(Mg,Fe)3Al5Mg(BO3)3Si6O18(OH,F)4 R 3m 3m

61.3b.1.4 Feruvite! (Ca,Na)(Fe,Mg,Ti)3(Al,Mg,Fe)6(BO3)3Si6O18(OH)4 R 3m 3m

61.3b.1.5 IMA2000-030 ! CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH) R 3m 3m

Strunz Class:

VIII/EX.00-00 VIII - Silicates

VIII/EX - Unclassified Strunz Cyklosilicates

VIII/EX.00 - Tourmaline Group (Liddicoatite

Other IMA2000-030 Information

See Also:

Links to other databases for IMA2000-030 :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 -Google Images 4 -Google Scholar 5 -MinDAT 6 -MinMax(Deutsch) 7 -MinMax(English) 8 -Mineralienatlas (Deutsch)

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Print or Cut-and-Paste your IMA2000-030 Specimen Label here :

IMA2000-030

CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)3(OH)
Dana No: 61.3b.1.5 Strunz No: VIII/EX.00-00
Locality:

Notes: