Origin of feldspar
Words nearby feldspar
How to use feldspar in a sentence
Sienite and feldspar succeeded in our descent to the snow line, where we found a felspathic granite.The Life of Kit Carson|Edward S. Ellis
The feldspar exhibited its splendent black crystals in fine relief in the massy quartz.
What little feldspar there was is reduced to quartz and mica, and the quartz pebbles are drawn out into lenses.
This was materially assisted by the weak lath shapes of the feldspar and the mobility of the micas.
The appearance of the rock is not modified by the amount of feldspar which it contains.