0 Members and 1 Guest are viewing this topic.
The first (Mineral #1) appears translucent, although its not yet completely cleaned. Whats catching me off guard is its almost metallic (i know its not the correct wordage) skin. The skin has a different shine than the inside. The inside seems foggy and i don't know if the picture catches it, but theres three foggy columnar areas inside.
based on conchoidal fracture, crystal structure and transparency- Mineral 1 is almost undoubtedly quartz. Should be harder than a knife point.Mineral 2- my first guess would be wolframite, based on the crystal shape and cleavage (in a quartz matrix). Can you give me any more information? Are any of the "black" crystals metallic looking? I couldn't tell from the photo? If so, what color metallic? brassy? silver? gray?Can you scratch the black mineral with a knife? Are the black crystals heavy?Where (general area) did you get the specimen?