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Mini Geode

$3.00

Geodes are essentially gas bubbles which form in rock cavities, usually in igneous rocks, such as vesicles in basaltic lava; or, as in the American Midwest, in rounded cavities in sedimentary formations.

After rock around the cavity hardens, dissolved silicates and/or carbonates are deposited on the inside surface. Over time, this slow feed of mineral constituents from groundwater or hydrothermal solutions allows crystals to form inside the hollow chamber. The bedrock containing geodes then eventually weathers and decomposes, leaving the harder quartz geodes lying on the surface of the earth.

Sold singly

One will be sent at random unless requested otherwise (stock depending) at checkout via the ‘Add Instructions For Seller’ button. If you cannot see the button please use our ‘Get in Touch’ tab at the bottom of the page or the ‘Chat With Us’ button and we will answer your message asap. Alternatively, call us with your selection at 01436 670806.

Our Address

Curious Minds Science Ltd (Grasshopper Toys)
112 West Princes Street
Helensburgh
Argyll & Bute

G84 8XD

United Kingdom

Phone
+44(0)1436 670806

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