Grape-like shapes found in layers on cemented sediments, also skeletal or hoppered habits, usually larger than the others - up to 5 cm - on fractures in altered granite host rock.
Habit:
grape-like, hoppered, skeletal, cavernous
Colour:
lemon yellow to greasy opaque gray
Quality for species:
Excellent - world class for species or very significant. (!!)
San Carlos Mine, Delicias, El Marmol, San Felipe Municipality, Baja California, Mexico