Macquartite R210020

Name: Macquartite
RRUFF ID: R210020
Ideal Chemistry: Cu₂Pb₇(CrO₄)₄(SiO₄)₂(OH)₂
Locality: Mammoth-Sth. Anthony M., Tiger, Pinal County, Arizona, USA
Source: Bob Jenkins
Owner: RRUFF
Description: Orange euhedral prismatic crystals in quartz vugs, associated with blue-green prismatic diaboleite, yellow-orange platy wulfenite, dark grey vauquelinite.
Status: The identification of this mineral has been confirmed by X-ray diffraction.

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented Raman on the primary sample

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BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R210020

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)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R210020

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 20.948(8) Å b: 5.877(2) Å c: 9.346(3)Å
alpha: 90° beta: 91.93(2) ° gamma: 90° Volume: 1150(1)Å³ Crystal System: monoclinic

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REFERENCES for Macquartite
Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file]
Williams S A, Duggan M (1980) La macquartite : un nouveau silico-chromate de Tiger, Arizona, Bulletin de Minéralogie, 103, 530-532 [view file]
Fleischer M, Cabri L J (1981) New mineral names, American Mineralogist, 66, 637-639 [view file]
Cooper M A, Hawthorne F C (1994) The crystal structure of wherryite, Pb₇Cu₂(SO₄)₄(SiO₄)₂(OH)₂, a mixed sulfate–silicate with [^[6]M(TO₄)₂φ] chains, The Canadian Mineralogist, 32, 373-380 [view file]
Jambor J L, Puziewicz J, Roberts A C (1995) New mineral names, American Mineralogist, 80, 404-409 [view file]
Frost R L (2004) Raman microscopy of selected chromate minerals, Journal of Raman Spectroscopy, 35, 153-158