Polished & rough agates from Lake Superior. Gifts, lapidary equipment and information source.
Specializing in fine black opals and custom opal jewelry.
Crystals, geodes, minerals and fossils from the mine.
Dealers of gems, minerals, and jewelry.
Cumberladite bowenite state rocks for sale.
We mine and sell high grade magnetic lodestones of all sizes.
Rock and mineral specimens for sale, rare specimens, hard to find geologic bedrock with garnets. Rhode Island Books on Geology.
Western Australian Opal and Gemstone specialists. Offering black, white and light opals.
Sells finished and unfinished stone jewelry.
Italian mineralogy, sales, events, and localities.
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