Does Feldspar Have Luster

Feldspars have a hardness of 6, have a smooth, glassy or pearly luster, and show good cleavages along two planes at nearly right angles to each other. … Feldspars are essential minerals in most crystalline igneous rocks.

What is the Lustre of feldspar?

FeldsparMohs scale hardness6.0–6.5LusterVitreousStreakwhiteDiaphaneityopaque

Does plagioclase feldspar have luster?

Physical Properties of PlagioclaseChemical ClassificationSilicateLusterVitreous. Pearly on some cleavage faces.DiaphaneityTranslucent to transparent