Inner Mongolian quartz cluster with calcite Stalactitic chalcedony you can see they are

you can see they are hollow inside

similar to quartz geodes

25 x 3 x 1

Approx weight: 330g

The white is a small amount of calcite

Inner Mongolian quartz cluster with calcite Stalactitic chalcedony you can see they areLocale: HuangGangLiang mining district, Inner Mongolia, China Approx point length: 4" Approx weight: 74g These quartz points are from HuangGangLiang, and commonly called Mongolian or Inner Mongolian quartz. This isn't your typically shiny quartz; this quartz is completely coated in a white crust and clumpy mineral growth. On one side, the piece displays a long well formed quartz point with a cluster of additional points and minerals attached. Cracks