Assertion: hemimorphite's composition | /r/HasProperty | magnesium aluminium
Facets:
Source sentences:
text: brownishHardness: 7-7.5Cleavage: goodFracture: conchoidal, uneven, brittleCrystal system: orthorhombicChemical composition: magnesium aluminium silicateTransparency: transparent, translucent.
text: Chemical composition: magnesium aluminium silicate