----- R210008 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Petermegawite R210008

Name: Petermegawite
RRUFF ID: R210008
Ideal Chemistry: Al₆(Se⁴⁺O₃)₃[SiO₃(OH)](OH)₉·10H₂O
Locality: El Dragon mine, Potosi, Bolivia
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Colorless bladed or tabular crystals, associated with blue chalcomenite and greenish blue clinochalcomenite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.

Mineral Group: [ Not in a structural group (133) ]

CHEMISTRY

RRUFF ID:	R210008.2
Sample Description:	Microprobe Fragment
Measured Chemistry:	Al_6.00[(Se_0.893S_0.113)_Σ1.006O₃]₃[(Si_0.90Al_0.07)_Σ0.97O₃(OH)](OH)₉·9.43H₂O
Microprobe Data File:	[ Download Excel File ]

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:

R210008

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:

R210008 Powder X-ray diffraction data

Cell Refinement Output:

a: 16.2501(4)Å b: 10.9652(3) Å c: 15.3516(4)Å
alpha: 90° beta: 90° gamma: 90° Volume: 2735.47(9)Å³ Crystal System: orthorhombic

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 Petermegawite
Miyawaki R, Hatert F, Pasero M, Mills S J (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 64, Mineralogical Magazine, 86, 178-182 [view file]
Yang H, Gu X, Scott M M, Jenkins R A, Gibbs R B, Mcglasson J A, Downs R T (2023) Petermegawite, Al₆(Se⁴⁺O₃)₃[SiO₃(OH)](OH)₉·10H₂O, a new Al-bearing selenite mineral, from the El Dragón Mine, Potosí, Bolivia, The Canadian Journal of Mineralogy and Petrology, 61, 987-998 [view file]

REFERENCES for Petermegawite

Miyawaki R, Hatert F, Pasero M, Mills S J (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 64, Mineralogical Magazine, 86, 178-182 [view file]

Yang H, Gu X, Scott M M, Jenkins R A, Gibbs R B, Mcglasson J A, Downs R T (2023) Petermegawite, Al₆(Se⁴⁺O₃)₃[SiO₃(OH)](OH)₉·10H₂O, a new Al-bearing selenite mineral, from the El Dragón Mine, Potosí, Bolivia, The Canadian Journal of Mineralogy and Petrology, 61, 987-998 [view file]