----- R130098 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Medaite R130098

Name: Medaite
RRUFF ID: R130098
Ideal Chemistry: Mn²⁺₆V⁵⁺Si₅O₁₈(OH)
Locality: Molinello mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Source: Donald Doell (Large Piece) and Rock Currier (Small Piece) [view label]
Owner: RRUFF
Description: Red grains and prismatic crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.

Mineral Group: [ Medaite (1) ]

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:

R130098

Wavelength:

Sample Description:

Unoriented sample

Instrument settings:

Almega 532nm @ 100% of 150mW

DOWNLOADS:

	Raman Data (RAW)
	RRUFF File

POWDER DIFFRACTION

RRUFF ID:

R130098.9

Sample Description:

Single crystal, powder profile is calculated

Cell Refinement Output:

a: 6.711(1)Å b: 28.978(4)Å c: 7.579(1)Å
alpha: 90° beta: 95.329(8)° gamma: 90° Volume: 1467.6(3)Å³ Crystal System: monoclinic

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 Medaite
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]
Gramaccioli C M, Liborio G, Pilati T (1981) Structure of medaite, Mn₆[VSi₅O₁₈(OH)]: the presence of a new kind of heteropolysilicate anion, Acta Crystallographica, B37, 1972-1978
Gramaccioli C M, Griffin W L, Mottana A (1982) Medaite, Mn₆[VSi₅O₁₈(OH)], a new mineral and the first example of vanadatopentasilicate ion, American Mineralogist, 67, 85-89 [view file]
Nagashima M, Armbruster T (2010) Ardennite, tiragalloite and medaite: structural control of (As⁵⁺,V⁵⁺,Si⁴⁺)O₄ tetrahedra in silicates, Mineralogical Magazine, 74, 55-71 [view file]

REFERENCES for Medaite

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]

Gramaccioli C M, Liborio G, Pilati T (1981) Structure of medaite, Mn₆[VSi₅O₁₈(OH)]: the presence of a new kind of heteropolysilicate anion, Acta Crystallographica, B37, 1972-1978

Gramaccioli C M, Griffin W L, Mottana A (1982) Medaite, Mn₆[VSi₅O₁₈(OH)], a new mineral and the first example of vanadatopentasilicate ion, American Mineralogist, 67, 85-89 [view file]

Nagashima M, Armbruster T (2010) Ardennite, tiragalloite and medaite: structural control of (As⁵⁺,V⁵⁺,Si⁴⁺)O₄ tetrahedra in silicates, Mineralogical Magazine, 74, 55-71 [view file]