Assertion: aragonite | /r/HasAspect | distinct cleavage
Facets:
Source sentences:
text: Aragonite differs from calcite, the naturally occurring form of calcium carbonate in limestone, in that it has an orthorhombic crystalline structure, a greater density (2.93 to 2.95 compared to 2.71 for calcite), and less distinct cleavage than has calcite.