a similar sharp face on the smaller mass

One of the distinguishing features of apophyllite is its ability to form well-defined crystals with a pyramid-like shape

Geological unit: Kielce-Lagow Syncline data-mce-fragment="1">

In Bancroft

Origin: Arizona

Quartz, Chalcopyrite, Sphalerite Crystal Cluster | 60.2 grams | Huaron, Peru | SO24 Diopside a similar sharp face onThe entire top of the specimen is covered with many sharp quartz and sphalerite crystals that seem as if they are holding onto the Chalcopyrite. This top specimen is in very good condition. Would be a beautiful addition to any new or existing collection. Name: Quartz, Chalcopyrite and Sphalerite Crystal Cluster Specimen Size: Miniature Sized Dimensions: 56x35x29mm 2. 2x1. 4x1. 1 inches Weight: 60. 2 Grams 2. 1 oz Origin: Mined in Huaron, Peru