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

Armalcolite R070260

Name: Armalcolite
RRUFF ID: R070260
Ideal Chemistry: (Mg,Fe²⁺,Al)(Ti⁴⁺,Fe³⁺)₂O₅
Locality: Chelyabinsk Oblast', Urals Region, Russia
Source: Michael Scott S100770 [view label]
Owner: RRUFF
Description: Gray semimetallic micro crystals on coal
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

RAMAN SPECTRUM

RRUFF ID:

Sample Description:

Unoriented sample

DOWNLOADS:

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

BROAD SCAN WITH SPECTRAL ARTIFACTS

RRUFF ID:

R070260

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Thermo Almega XR 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R070260.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 9.730(4)Å b: 10.032(4)Å c: 3.735(1)Å
alpha: 90° beta: 90° gamma: 90° Volume: 364.6(2) Crystal System: orthorhombic

File Type Information

Calculated diffraction file.

File Type Information

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

DOWNLOADS:

	DIF File
	X-ray Data (XY - RAW)
	RRUFF File

REFERENCES for Armalcolite
American Mineralogist Crystal Structure Database Record: [view record]
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]
Anderson A T, Bunch T E, Cameron E N, Haggerty S E, Boyd F R, Finger L W, James O B, Keil K, Prinz M, Ramdohr P, El Goresy A (1970) Armalcolite: a new mineral from the Apollo 11 samples, Proceedings of the Apollo 11 Lunar Science Conference, 1, 55-63 [view file]
Fleischer M (1970) New mineral names, American Mineralogist, 55, 2135-2139 [view file]
Bowles J F W (1988) Definition and range of composition of naturally occurring minerals with the pseudobrookite structure, American Mineralogist, 73, 1377-1383 [view file]
Wechsler B A, Von Dreele R B (1989) Structure refinement of Mg₂TiO₄, MgTiO₃ and MgTi₂O₅ by time-of-flight neutron powder diffraction, Acta Crystallographica, B45, 542-549
Lennie A R, Knight K S, Henderson C M B (2007) Cation ordering in MgTi₂O₅ (karrooite): probing temperature dependent effects with neutrons, American Mineralogist, 92, 1165-1180 [view file]

REFERENCES for Armalcolite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Anderson A T, Bunch T E, Cameron E N, Haggerty S E, Boyd F R, Finger L W, James O B, Keil K, Prinz M, Ramdohr P, El Goresy A (1970) Armalcolite: a new mineral from the Apollo 11 samples, Proceedings of the Apollo 11 Lunar Science Conference, 1, 55-63 [view file]

Fleischer M (1970) New mineral names, American Mineralogist, 55, 2135-2139 [view file]

Bowles J F W (1988) Definition and range of composition of naturally occurring minerals with the pseudobrookite structure, American Mineralogist, 73, 1377-1383 [view file]

Wechsler B A, Von Dreele R B (1989) Structure refinement of Mg₂TiO₄, MgTiO₃ and MgTi₂O₅ by time-of-flight neutron powder diffraction, Acta Crystallographica, B45, 542-549

Lennie A R, Knight K S, Henderson C M B (2007) Cation ordering in MgTi₂O₅ (karrooite): probing temperature dependent effects with neutrons, American Mineralogist, 92, 1165-1180 [view file]