Large Geode Split in Half Rock - $40 (Circle Pines)

Large Geode Split in Half Rock 1 thumbnail

condition: excellent

make / manufacturer: Earth

size / dimensions: 7" x 5.5" x 7"

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Geodes are hollow, vaguely spherical rocks, in which masses of mineral matter (which may include crystals) are secluded.

The crystals are formed by the filling of vesicles in volcanic and subvolcanic rocks by minerals deposited from hydrothermal fluids; or by the dissolution of syn-genetic concretions and partial filling by the same or other minerals precipitated from water, groundwater, or hydrothermal fluids.

Bought this at a Mineral Club rock auction years ago.

* 7" Long
* 5.5" High
* 7" Wide
* 4" Depth
* 7.8 lbs Weight

***Cash Only
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post id: 7914076219

posted: 2026-02-09 13:02

updated: 2026-05-01 12:52

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Large Geode Split in Half Rock - general for sale - by owner -...

Geodes are hollow, vaguely spherical rocks, in which masses of mineral matter (which may include crystals) are secluded. The crystals are formed by the filling of vesicles in volcanic and...