min-id.html

Light Colored Minerals with Non-Metallic Lusters

PHYSICAL PROPERTIES				MINERAL NAME, FORMULA
	Harder than Glass	Cleavage	[MORE PROPERTIES]	POTASSIUM FELDSPAR, KAlSi₃O₈
				PLAGIOCLASE FELDSPAR, (Na,Ca)(Al,Si)₄O₈, Na>Ca
		NO Cleavage	[MORE PROPERTIES]	OLIVINE, (Mg,Fe)₂SiO₄
				QUARTZ, SiO₂
				GARNET, (Mg,Fe,Ca)₃Al₂Si₃O₁₂
	Softer than Glass	Cleavage	[MORE PROPERTIES]	CALCITE, CaCO₃
				DOLOMITE, CaMg(CO₃)₂
				MUSCOVITE, KAl₂(AlSi₃)O₁₀(OH)₂

What is the hardness of the mineral? [Harder than Glass]---[Softer than Glass]

[START AGAIN]---[INTRODUCTORY PAGE]