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Ottrélite R060832

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		Name: Ottrélite RRUFF ID: R060832 Ideal Chemistry: Mn²⁺Al₂O(SiO₄)(OH)₂ Locality: Ottre, Belgium Source: Michael Scott S101006 [view label] Owner: RRUFF Description: Black pseudohexagonal flakes, triply twinned with a 120 deg rotation around c* Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Chloritoid (3) ]

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

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BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R060832

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

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	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R060832.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 5.504(3)Å b: 9.531(4)Å c: 9.112(4)Å
alpha: 90° beta: 101.33(1)° gamma: 90° Volume: 468.7(3)Å³ Crystal System: monoclinic

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REFERENCES for Ottrélite
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]
Descloizeaux A, Damour A A (1842) De l'ottrélite, nouvelle espèce minérale, Annales des Mines, 2, 357-361 [view file]
Fransolet A M (1978) Données nouvelles sur l'ottrélite d'Ottré, belgique, Bulletin de Minéralogie, 101, 548-557