Agates

Home Igneous Sedimentary Metamorphic Rock Cycle Agates Locale, Information and Types Brazilian Agates Brazilian Agate Geodes Brazilian Agate Nodules Brazilian Agate Slabs Grape Agates Polyhedroid Agates   Most agates occur as nodules in volcanic rocks or lava flows. Agates are formed in cavities produced by gas bubbles in the molten magma. These cavities are filled…

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