Image Gallery: Lab 3

Single Chain Ino-Silicates (Pyroxenes)

spodumene is a clinopyroxene. enstatite is an orthopyroxene. diopside is an clinopyroxene. diopside is an clinopyroxene. Radiating acicular wollastonite crystals. Large fibrous wollastonite crystals. Botryoidal, crystalline, and fine grained massive rhodonite. Rhodonite showing cleavage surface.

Double Chain Ino-Silicates (Amphiboles)

hornblende. Radiating anthophyllite crystals. Fibrous acicular tremolite. Fibrous acicular tremolite. Intergrown actinolite crystals.

Phyllosilicates

Veins of fibrous serpentine (chrysotile). Massive fibrous serpentine. Massive serpentine. muscovite is white mica. muscovite is white mica. Biotite crystal in feldspar showing perfect basal cleavage. Biotite crystals showing perfect basal cleavage. lepidolite is a lilac phyllosilicate. Talc crystals showing perfect cleavage.

Tectosilicates

Capped quartz showing crystal faces. quartz crystals. Quartz (agate). plagioclase feldspar. plagioclase feldspar. potassium feldspar. potassium feldspar. potassium feldspar. Leucite crystals in basalt. Intergrown sodalite and nepheline.