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Weight: 218 grams
Weight: 353 grams
Chrysoprase is a type of chalcedony
Acrylic base and mineral putty are not included
This slab has a high polish on one side
Hyalite Opal Specimen DX1364 onyx Weight: 218 gramsHyalite Opal Approx. Dimensions: 2. 5 x 2 x 1" Approx. Weight: 69 grams Locality: San Luis Potosi, Mexico Acrylic stand and putty not included This specimen is shown under a short wave UV light in the first photo, and a long wave UV light in the second to last photo. Hyalite Opal was first discovered by German geologist Abraham Gottlob Werner in the late 1700's. He gave it the name hyalite from the Greek "hialos", meaning glass. It has mostly the same
