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・ Sample People
・ Sample preparation (analytical chemistry)
・ Sample preparation equipment
・ Sample preparation in mass spectrometry
・ Sample rate conversion
・ Sample return mission
・ Sample sale
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・ Sample, Kentucky
・ Sample-based synthesis
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Sampleite
・ Sampler
・ Sampler (Cardiacs album)
・ Sampler (EP)
・ Sampler (musical instrument)
・ Sampler (needlework)
・ Sampler - Volume 1
・ Sampler album
・ Samples Manor, Maryland
・ Samples of display typefaces
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Sampleite : ウィキペディア英語版
Sampleite

Sampleite has a general formula of NaCaCu5(PO4)4Cl•5(H2O).〔 It was first described in 1942 for an occurrence in Chuquicamata, Chile and was named after Mat Sample, a mine superintendent for the Chile Exploration Company.〔
Sampleite is orthorhombic, which means crystallographically, it contains 3 unequal axes with angles that are 90°. It belongs to the space group 2/m.〔Campbell, T.J., Rapp, G.R., Roberts, W.L. (1990) Encyclopedia of Minerals (2nd Edition) 753 p. Library of Congress Cataloging, Washington D.C.〕 In a thin section it has a high surface relief and will have sharp boundaries with the surrounding medium. Sampleite is anisotropic and has visible pleochroism and birefringence.
It is characteristically found in earthy crusts in a highly sericitized rock and is present in highly oxidized conditions near the surface. When it occurs as micaceous rosettes and aggregates it can be associated with dendrites of manganese and iron oxides. Sampleite appears to be the most recent mineral deposited with the exception of gypsum.〔Hulbert, C.S. "Sampleite A New Mineral." http://www.minsocam.org/ammin/AM27/AM27_586.pdf. Retrieved 2010-11-11〕 〔"Sampleite Mineraology." http://www.wolframalpha.com/entities/minerals/sampleite/fx/0q/75/. Retrieved 2010-11-28〕
==External links==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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