Inner Mongolian quartz cluster with sceptered points Dolomite This piece has relatively weak

This piece has relatively weak reaction compared to many

This calcite specimen from Santa Eulalia is coated with well-formed colorless calcite druzy

half of an octahedron

Santa Eulalia

but when I have tried to do so I've discovered White Sharks burrowing all through it

Inner Mongolian quartz cluster with sceptered points Dolomite This piece has relatively weakLocale: HuangGangLiang mining district, Inner Mongolia, China Approx point length: 2. 5" Approx weight: 47g These quartz points are from HuangGangLiang, and commonly called Mongolian or Inner Mongolian quartz. This isn't your typically shiny quartz crystal; this quartz cluster is the definition of pretty ugly, aggressively dull on the surface with intriguing patterns of glittering crystal faces on its surface. The piece is near opaque with inclusions,