Pair of large Geode

Cristal du Lac

geode no. 409

Pair of Hollow Geodes composed of various forms of quartz. The inner core is usually of the crystalline variety, while the outer skin is made up of quartz or microcrystalline agate.

They are formed by balls of volcanic gases which have cooled and formed hard outer coverings. The interior is mostly hollow with many crystals that formed when minerals and gases cooled.

Dimension: 13 cm x 18,50 cm x 15,50 cm


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