Abbreviations:

xx = crystals

(xx)= partial or intergrown crystals

X or x = single crystal

Capsel (capsule) = 0.1 to 0.5 cm

MM = micromount approx. 0.5 to 1.0 cm

KS = small piece approx. 1.5 to 4 cm;

NS = average-sized piece approx. 4 to 7 cm

HS = hand-sized piece 7 to 10 cm; 

GS / MS = museum-sized pieces larger than 10 cm