Druse
From Conservapedia
for the ethnic group see Druze
A druse mineral aggregate is a coating or crust of small projecting crystals on the wall of vein or cavity. Quartz is an example of a mineral exhibiting a druse form. Chesterman, p. 40
Sources
- Chesterman, Charles W. The Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf: New York (1987)