Loomisite R210017

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Record 802 of 4216  


Name: Loomisite
RRUFF ID: R210017
Ideal Chemistry: Ba[Be2P2O8]·H2O
Locality: Big Chief mine, Pennington County, South Dakota, USA
Source: Tom Loomis TL256A [view label]
Owner: RRUFF
Description: White acicular divergent crystals, associated with white bladed dondoellite, and yellow needle earlshannonite.
Status: unconfirmed
CHEMISTRY 
RRUFF ID: R210017.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ba0.96Ca0.06)Ʃ1.02[(Be1.96Fe0.06)Ʃ2.02P1.99O8]·H2O
Reference File: [ View PDF ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R210017
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R210017
Cell Refinement Output: a: 7.6457(2) Å    b: 9.4427(3) Å    c: 4.7512(2) Å
alpha: 90°    beta: 91.197(3)°    gamma: 90°   Volume: 343.37(1) Å3    Crystal System: monoclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Loomisite

American Mineralogist Crystal Structure Database Record: [view record]

Miyawaki R, Hatert F, Pasero M, Mills S J (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) - Newsletter 67, European Journal of Mineralogy, 34, 359-364   [view file]

Yang H, Gu X, Gibbs R B, Downs R T (2023) Loomisite, Ba[Be2P2O8]⋅H2O, the first natural example with the zeolite ABW-type framework, from Keystone, Pennington County, South Dakota, USA, Mineralogical Magazine, 87, 79-85   [view file]