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Big blue geode rock.
The one shown is an example only.
The inside of a large geode lined by amethyst crystals geodes derived from the greek word γεώδης meaning earth like are geological secondary formations within sedimentary and volcanic rocks.
Geodes are rounded hollow voids in rocks filled with crystals and other minerals.
It s approximately 4 5 inches at it s widest point and about 1 4 inch thick.
Except for being kind of roundish there isn t much remarkable or interesting about them.
From the outside a geode looks like an ordinary rock.
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Geodes are hollow vaguely spherical rocks in which masses of mineral matter which may include crystals are secluded.
Over time as mineral rich water seeps into the rock it beings to deposit tiny crystals on the sides the hollow cavity.
Make offer large sliced geode one rock sliced both pieces.
Large sliced geode one rock sliced both pieces.
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In these deposits a gas filled void can serve as the opening for geode formation.
A very cool rock formation geodes are like the tootsie roll pop of the geology world because underneath the hard exterior lies a surprise center.
You ll be receiving 1 large blue agate slice slab.
They are typically formed when air bubbles inside of volcanic rock form hollow cavities.
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