# Geode-with-encrustation-of-quartz-crystals-on-a-base-of-limonite-01

- By: CEphoto, Uwe Aranas
- Date: 2016-11-12
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Geode-with-encrustation-of-quartz-crystals-on-a-base-of-limonite-01.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/0/06/Geode-with-encrustation-of-quartz-crystals-on-a-base-of-limonite-01.jpg/1920px-Geode-with-encrustation-of-quartz-crystals-on-a-base-of-limonite-01.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

A geode with Prehnite-Laumontite crystals

Note: The provenance and correct determination of this mineral is disputed. According to User:Archaeodontosaurus it is an encrustation of quartz crystals on a base of limonite with no prehnite or laumontite present.