Assertion: coral's density | /r/HasProperty | optic
Facets:
Source sentences:
text: Properties of Plagioclase Feldspars Albite Oglioclase Andesine Labradorite Bytownite Anorthite Hardness of all species = 6-6.5 Density 2.57-2.69 2.62-2.67 2.65-2.69 2.69-2.72 2.72-2.75 2.75-2.77 Optics a 1.527 1.542 1.543 1.560 1.561 1.577 β 1.531 1.546 1.548 1.563 1.565 1.585 γ 1.538 1.549 1.551 1.572 1.570 1.590 sign (+) (-) (+/-)