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Date: |
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Description: | Natrolite is one of the zeolite minerals. This specimen shows the radially arranged groups of crystals that are typical of the zeolites. Arrangements of crystals like these form where there is sufficient space for the crystals to grow in all directions, for example, in a gas bubble inside a lava flow. As this specimen rotates, the light catches the individual needle like crystals that make up the aggregates, revealing their structure.
, Form: needlestone & radiating | Source: | Tyne & Wear Archives & Museums | Identifier: | emu.ecatalogue.earthsciences.112421 | Go to resource |
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