Orthoclase feldsparApril 30, 2017/in /by Marli Miller minerals, K-feldspar, Kspar, potassium feldspar https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-04-30 20:22:392017-09-24 17:04:49Orthoclase feldspar