[Newest Minerals] [Rare Minerals] [Cabinet Specimens] [About Us] [Image Gallery] Dakota Matrix Minerals Updated weekly, for the collector, educator, and researcher since 1996 Extensive Inventory of very Rare Minerals. Visa and Mastercard are Welcome General Iquiqueite InformationK3Na4Mg(Cr++++++O4)B24O39(OH)•12(H2O) |
Molecular Weight = 1,466.16 gm |
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Potassium 8.00 % K 9.64 % K2O |
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Sodium 6.27 % Na 8.45 % Na2O |
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Magnesium 1.66 % Mg 2.75 % MgO |
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Chromium 3.55 % Cr 6.82 % CrO3 |
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Boron 17.70 % B 56.98 % B2O3 |
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Hydrogen 1.72 % H 15.36 % H2O |
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Oxygen 61.11 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
K3Na4Mg(CrO4)B24O39(OH)•12(H2O) |
Generally disseminated in nitratine ore. |
Approved IMA 1986 |
Iquique, Tarapaca Province, Chile. Link to MinDat.org Location Data. |
Named for the locality |
Iquiqueite + Pronunciation |
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Iquiqueite Crystallographya:c = 1:2.59158 |
a = 11.6369, c = 30.158, Z = 3; V = 3,536.78 Den(Calc)= 2.06 |
Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 31c |
By Intensity(I/Io): 2.856(1), 3.02(1), 10.11(0.85), |
| Physical Properties of Iquiqueite{0001} Perfect, {0110} Indistinct |
Yellow. |
2.05 |
Transparent |
Brittle - Generally displayed by glasses and most non-metallic minerals. |
2 - Gypsum |
Vitreous (Glassy) |
yellow white |
| Optical Properties of IquiqueiteCI meas= 0.028 (Excellent) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.032 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2303,KPDmeas= 0.2315,KC= 0.238 Ncalc = 1.49 Uniaxial (-), e=1.447, w=1.502, bire=0.0550. |
| Calculated Properties of IquiqueiteBulk Density (Electron Density)=2.04 gm/cc |
note: Specific Gravity of Iquiqueite =2.05 gm/cc. Fermion Index = 0.04 |
Boson Index = 0.96 PEIquiqueite = 1.95 barns/electron |
U=PEIquiqueite x relectron= 3.98 barns/cc. |
GRapi = 114.94 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Iquiqueite | Iquiqueite Classification27.01.08.01 (27)Compound Borates |
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(27.01)Dana Type |
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(27.01.08)Dana Group |
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06.HA.20 06 - BORATES |
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06.H - Unclassified Borates |
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06.HA -Unclassified borates |
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| Other Iquiqueite InformationNAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
Links to other databases for Iquiqueite : |
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 Search for Iquiqueite using: Visit our Advertisers for Iquiqueite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Iquiqueite Mineral Data : Ask about Iquiqueite here : Print or Cut-and-Paste your Iquiqueite Specimen Label here :
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