11 x 14 Vintage Mineral Print - Opal and Chalcedony tourmaline stone A great fit for:

A great fit for:

twinned crystal

with pyrrhotite

Good for one fill-up and a burn time of about 3-4 hours)

we've taken the extra step of treating all surfaces with several coats of sealant to prevent oil from seeping into the rock

11 x 14 Vintage Mineral Print - Opal and Chalcedony tourmaline stone A great fit for:Vintage image from the early 1900s reproduced on uncoated classic matte paper. This lovely public domain image may be just what is needed to dress up your office, basement, rock collection or rock shop. This artwork features the following: 1. Semi opal, or common opal 2. Fire opal, on volcanic rock 3. Wood opal, wood fossilized by opal 4. Hyalite, botryoidal 5. Precious Opal, in matrix. 6 and 7. Precious Opal, in siliceous iron stone 8. Precious Opa.