large cluster of Okenite with Prehnite and Cubic Apophyllite Geode Crystal from Dindoshi Quarry

though it can also be bright orange or lustrous brown

Name: Olivine Volcanic Bomb

This specimen is a great example of both the classic crystal shape and attractive dark coloration

Origin:  Mandata

Dolomite on Sphalerite Crystals | 25 grams | Daniel's Harbor | Newfoundland and Labrador, Canada Trilobite large cluster of Okenite withThis mineral combination is from a classic locality, the Newfoundland Zinc Mine, which has been closed for many years. This mine was a high grade zinc mine with very little contaminants in the ore which made it easier to mill and produced good concentrate. This site is known for beautiful mineral specimens, particularly sphalerite crystals often associated dolomite. The sphalerite from this region typically appears as dark brown to black, resinous