What this green mineral could be? it's harder than glass : r/rockhounds

Ethically Sourced Crystals with Nicholas Pearson - For Animals For Earth

Geologic Tour: Rockhound State Park

Found this Beauty in Southern Oregon today. Any ideas what it is? I'm thinking green jasper, but how about the white parts? : r/rockhounds

20 Exquisite Green Gems, Crystals, Minerals, and Rocks

Journal of weekly news and commentaries about rocks and minerals and mineral collecting - John Betts' Mineral Blog

Learn about fine minerals & gems at the Wisdom Pocket Blog

Green rock identification! I am very intrigued about this rock- lots of it found in my garden in London. It is completely opaque and naturally shiny and very green. Also some speckled

20 Best Rocks and Minerals Books of All Time - BookAuthority

20 Best Rocks and Minerals Books of All Time - BookAuthority