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Adamantine Spar

Colour:BrownHardness:9
A variety of Corundum

A silky brown variety of corundum.

Classification of Adamantine Spar

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Physical Properties of Adamantine Spar

Lustre:Silky
Colour:Brown
Hardness (Mohs):9
Hardness Data:Measured

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Adamantine Spar

Reference List:Black (1780)(in Greville, Royal Society of London, Phil. Trans., 1798, and in Klaproth, A. Berlin, Mem., 1786-1787).

Read, P.G. (1988), Dictionary of Gemmology, 2nd. ed., Butterworth-Heinemann, Oxford, UK: 4.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 520.

Internet Links for Adamantine Spar

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    Localities for Adamantine Spar

    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    India
    Pearl, 1964. Gems, Minerals, Crystals & Ores
    Pearl, 1964. Gems, Minerals, Crystals & Ores
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.