Usage examples (6)

• An opaque calcite of a grass-green colour, occurring as large cleavage masses in central India and known as hislopite, owes its colour to enclosed "green-earth"...
• Greensand is a sand or sediment that consists of dark greenish grains of glauconite that is usually mixed with clay or sand.
• The magnesia and potash are, also, largely restored from the ocean; the former in dolomites and magnesian limestones; the latter in glauconite sands.
• A series of worm-holes traced erratic hieroglyphics across a scaling corner; all the varied texts were illuminated by quartzose particles glittering in the sun, and here and...