Loomisite R210017

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Record 2337 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:	(Ba_0.96Ca_0.06)_Ʃ1.02[(Be_1.96Fe_0.06)_Ʃ2.02P_1.99O₈]·H₂O
Reference File:	[ View PDF ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented Raman on the primary sample

DOWNLOADS:

To download sample data,
please select a specific
orientation angle.

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R210017

Wavelength:

Sample Description:

Unoriented Raman on the primary sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	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

File Type Information

Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

DOWNLOADS:

	X-ray Data (XY - RAW)
	RRUFF File

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]