Ginorite Mineral Data

Ginorite Mineral Data +

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General Ginorite Information

Chemical Formula:

Ca2B14O23·8(H2O)

Composition:

Molecular Weight = 743.60 gm

Calcium 10.78 % Ca 15.08 % CaO

Boron 20.35 % B 65.54 % B₂O₃

Hydrogen 2.17 % H 19.38 % H₂O

Oxygen 66.70 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Empirical Formula:

Ca₂B₁₄O₂₃·8(H₂O)

IMA Status:

Valid Species (Pre-IMA) 1934

Locality:

Link to MinDat.org Location Data.

Ginorite Image

Images:

Ginorite Priceite

Comments: Clear platy crystalline coatings of ginorite on rock with white priceite.
Location: Corkscrew Canyon, Death Valley, Inyo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Ginorite Crystallography

Axial Ratios:

a:b:c =0.9308:1:0.8533

Cell Dimensions:

a = 13.375, b = 14.368, c = 12.261, Z = 4; beta = 101.2° V = 2,311.35 Den(Calc)= 2.14

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/c

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

By Intensity(I/I_o): 7.14(1), 5.36(0.3), 3.27(0.2),

Physical Properties of Ginorite

Cleavage:

[010] Indistinct

Color:

White.

Density:

2.07 - 2.09, Average = 2.08

Diaphaniety:

Transparent to Translucent

Hardness:

3.5 - Copper Penny

Luster:

Vitreous (Glassy)

Streak:

white

Optical Properties of Ginorite

Gladstone-Dale:

CI meas= -0.087 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.057 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.252,KPDmeas= 0.2593,KC= 0.2385

Optical Data:

Biaxial (+), a=1.517, b=1.524, g=1.577, bire=0.0600, 2V(Calc)=42, 2V(Meas)=42.

Calculated Properties of Ginorite

Electron Density:

r_electron=2.15 gm/cc
note: r_Ginorite=2.14 gm/cc.

Fermion Index

Fermion Index = 0.04096
Boson Index = 0.95904

Photoelectric:

PE_Ginorite= 1.60 barns/electron
U=PE_Ginorite x r_electron= 3.45 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Ginorite is Not Radioactive

Ginorite Classification

Dana Class:

26.6.7.1 (26)Hydrated Borates Containing Hydroxyl or Halogen

(26.6)Dana Type

(26.6.7)Dana Group

26.6.7.1 Ginorite Ca2B14O23·8(H2O) P 2₁/c 2/m

26.6.7.2 Strontioginorite (Sr,Ca)2B14O23·8(H2O) P 2₁/a 2/m

Strunz Class:

V/K.07-10 V - Nitrates, Carbonates and Borates

V/K - Layered borates with complex groups [Bx(O,OH)y]

V/K.07 - Ginorite - Strontioborite series

V/K.07-10 Ginorite Ca2B14O23·8(H2O) P 2₁/c 2/m

V/K.07-20 Strontioginorite (Sr,Ca)2B14O23·8(H2O) P 2₁/a 2/m

V/K.07-30 Strontioborite SrB8O11(OH)4 P 2₁ 2

Other Ginorite Information

References:

PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)

See Also:

Links to other databases for Ginorite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Translate Ginorite Mineral Data :

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

Ginorite

Ca2B14O23·8(H2O)
Dana No: 26.6.7.1 Strunz No: V/K.07-10
Locality:

Notes: