Medium grained, feldspar granite.
Ordering information: WARD’S offers different specimen sizes to meet your various needs. Student specimens are ideal for students to use for study and identification. Specimens range in size from 1×1" to 1×2" and come in packages of ten. Hand specimens are great for lectures, demonstrations, and display. Specimens range in size from 2×3" to 3×4", and each comes in a labeled plastic tray.