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  • Melissa BeMiller Wayne

    Unusually perfect specimen of chrysanthemum rock. This close-up shows the 1 1/2 pound stone with a flower-like pattern that is is made of celestite and calcium deposits on black limestone. - looks like an angels wing

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and a big rock of Opal to carve also would be awesome. Freeform carved Queensland boulder opal

Nature Art: "Rainbow Rock" Benjamin Cowderoy or BenjaminNeil 2010-09-10 (@flickr 4977585595)

Six sided, deep and oddly colored crater on Mars. Does this look "natural" to you? Yeah, me neither.

"Chrysanthemum rock" -- celestite crystals in a limestone matrix.

I would love to eventually fill up a type case such as this with specimens of a lot of pretty mineral and gemstone specimens. (If anyone knows of good places to obtain either of these, please let me know!) :)

Opal: Fantastic up close detail of an Opal stone. Lines, shapes and colour. Incredible ideas forming in my head that need to get onto paper!!

A Trilobite fossil minus the rock around it. By Alex Treadway. I actually have a Trilobite fossil! How interesting!

It's a double rainbow! A double..wait I mean its just a single rock rainbow never mind

Kakortokite is a rare intrusive igneous rock, a rock of variable composition occurring in Greenland in black, white, and red sheets. Magmatic layering occurs in the lower portions of old magma chambers; a mixture of nepheline syenite (white), arfvedsonite (black), amphibole (red), also occasionlly sodalite and rinkite results. The red can something looks like yellow Eudialyte. It has some fluorescent properties, and can have orange spots/ blotches and some blue streaks/veins and patches. G

Rocks at Sacred Cove, Palos Verdes, California; photo by Ted Gore