singlemineral
Singlemineral, or monomineralic, describes a specimen, rock, or mass composed predominantly of a single mineral species. In practice, a sample is considered singlemineral when one mineral makes up the overwhelming majority of the material, with only minor accessory minerals or inclusions. The term distinguishes homogeneous material from polymineralic rocks that contain several minerals.
Monomineralic rocks occur in several settings. Quartzite, formed mainly from quartz, is a classic example. Marble
Identification relies on optical microscopy, X-ray diffraction, and electron probe analysis to confirm mineral identity and
Formation pathways include crystallization from magma or hydrothermal fluids, and metamorphic recrystallization that favors a single