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Calcite - Wikipedia

Crystal structure of calcite. Calcite is a carbonate mineral and the most stable polymorph of ... A transparent variety called Iceland spar is used for optical ...

Supplementary material to accompany the .

diffraction from a 'sodium chloride crystal', a laser diffraction powder pattern ... The optical effect of calcite, known originally as Iceland Spar, ...

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Sublimation Nuclei - IOPscience

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Lunar and Planetary Science XXXIII (2002) 1817

crystal Iceland Spar was chosen for the shock experiments. ... Powder profiles show some evidence of strain broadening effects for peaks in the higher 2θ re-