DGJ Dan Graf Jewelry

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Rocks/minerals for sale(local and exotic)
Lapidary art(cabochon gem cutting artist)
Cutting small/medium rocks/minerals
Diamond Genie
Custom jewelry silversmith
Free estimates
Ask Questions Please!

Some of the local lapidary material south central wisco. Our fossil coral is one of the most slept on materials ever. Su...
03/15/2026

Some of the local lapidary material south central wisco. Our fossil coral is one of the most slept on materials ever. Such amazing designs and diversity. First stone is a stromatolite/pod(almost brecciated look)…then we have our “quartz ball” solid geode/cold water mineral formation, some clear quartz and white quartz fossil favosite coral replacement. Some sort of syringapora coral I believe. There’s lots of different types. I’m not gonna even pretend to know. I have cut a ton of Wisconsin material over the years. Orange ish yellow ish another form of syringepora coral or similar, then the last I believe is one more last type of syringapora coral. Not sure if repeat species etc…there’s so so so many different cabochon I’ve made from “gem coral.”

NFSLake Superior Agate (LSA)"Tube" friends please verify. 360° shape and polish with a hole drilled for chain. Im usuall...
02/14/2026

NFS
Lake Superior Agate (LSA)"Tube" friends please verify. 360° shape and polish with a hole drilled for chain. Im usually not much of a hole drilled in it person but been rocking this. Its one of my personals and highly sentimental.

02/06/2026

02/06/2026

NFSFree-form pietersite top shelf(looks like a midnight ocean beach scene ive been told multiple times) set into custom ...
02/06/2026

NFS
Free-form pietersite top shelf(looks like a midnight ocean beach scene ive been told multiple times) set into custom 925 sterling silver i built to fit the custom stone.

Turkish "Stick Agate" split with diamond saw, and pretty formed cabochon. Needs to finish shapping and polishing.
02/06/2026

Turkish "Stick Agate" split with diamond saw, and pretty formed cabochon. Needs to finish shapping and polishing.

South central Wisconsin fossilized coral. Highly solidified/agatized. Takes an amazing shine. 400million years old appro...
02/06/2026

South central Wisconsin fossilized coral. Highly solidified/agatized. Takes an amazing shine. 400million years old approx(fact check me please) you guys rock!

A small cab I polished from a scrap off the floor of shop. Any ideas what this one may be? (Colorblind jeweler) please a...
02/06/2026

A small cab I polished from a scrap off the floor of shop. Any ideas what this one may be? (Colorblind jeweler) please and thanks!

The darkest sodalite ive ever seen.
02/03/2026

The darkest sodalite ive ever seen.

Address

Janesville, WI
53548

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