Ludwigite R060844

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Record 3 of 5  

Name: Ludwigite
RRUFF ID: R060844
Ideal Chemistry: Mg2Fe3+O2(BO3)
Locality: Crestmore, California, USA
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Black elongated prismatic crystals
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Ludwigite (5) ]
Quick search: [ All Ludwigite samples (2) ]
RRUFF ID: R060844.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented sample

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RRUFF ID: R060844
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060844.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.237(2)Å    b: 12.232(3)Å    c: 2.9854(6)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 337.3(1)Å3    Crystal System: orthorhombic
  File Type Information Close
Calculated diffraction file.

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

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REFERENCES for Ludwigite

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]

Tschermak G (1874) Ludwigit, ein neues Mineral aus dem Banate, Mineralogische Mittheilungen, 1874, 59-66   [view file]

Bertaut E F (1950) Structures des boroferrites, Acta Crystallographica, 3, 473-474

Takéuchi Y, Watanabé T, Ito T (1950) The crystal structures of warwickite, ludwigite and pinakiolite, Acta Crystallographica, 3, 98-107

Bovin J O, O'Keefe M, O'Keefe M A (1981) Electron microscopy of oxyborates. I. Defect structures in the minerals pinakiolite, ludwigite, orthopinakiolite, and takéuchiite, Acta Crystallographica, A37, 28-35

Hriljac J A, Brown R D, Cheetham A K, Satek L C (1990) The synthesis and crystal structures of the related series of aluminoborates: Co2.1Al0.9BO5, Ni2AlBO5 and Cu2AlBO, Journal of Solid State Chemistry, 84, 289-298

Norrestam R, Kritikos M, Nielsen K, Sotofte I, Thorup N (1994) Structural characterization of two synthetic Ni-ludwigites, and some semiempirical EHTB calculations on the ludwigite structure type, Journal of Solid State Chemistry, 111, 217-223

Irwin M B, Peterson R C (1999) The crystal structure of ludwigite, The Canadian Mineralogist, 37, 939-943   [view file]

Marincea S (1999) Ludwigite from the type locality, Onca de Fier, Romania: new data and review, The Canadian Mineralogist, 37, 1343-1362   [view file]

Holtstam D (2001) Crystal chemistry of a manganian ludwigite, Neues Jahrbuch für Mineralogie, Monatshefte, 2001, 520-528

Leite C A F, Guimaraes R B, Fernandes J C, Continentino M A, Paschoal C W A, Ayala A P, Guedes I (2001) Temperature-dependent Raman scattering study of Fe3O2BO3 ludwigite, Journal of Raman Spectroscopy, 33, 1-5

Brovkin A A, Rozhdestvenskaya I V, Rykova E A (2002) Cation distribution in the structure of titanium-containing ludwigite, Crystallography Reports, 47, 412-414

Brovkin A A, Rozhdestvenskaya I V, Rykova E A (2002) Cation distribution in the structure of titanium-containing ludwigite [Russian], Kristallografiya, 47, 457-459

Girgsdies F, Behrens M (2012) On the structural relations of malachite. I. The rosasite and ludwigite structure families, Acta Crystallographica, B68, 107-117

Bilohuščin V, Uher P, Koděra P, Milovská S, Mikuš T, Bačík P (2017) Evolution of borate minerals from contact metamorphic to hydrothermal stages: Ludwigite-group minerals and szaibélyite from the Vysoká - Zlatno skarn, Slovakia, Mineralogy and Petrology, 111, 643-658