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If you would like to buy one of these please
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quoting the reference number of that particular dendrite.
Dendritic crystal growth is what they actually are, caused by the ingress of mineral impregnated water into rock.
This type of formation can be seen by looking closely at snowflakes and frost patterns on a window.
The word Dendrite comes from the Greek Dendron meaning tree.
Dendrites display a multi-branching tree-like form and the term Dendritic is commonly used in Neurology to describe the branched projection of a neuron, the thread-like extensions of a nerve cell which carries messages.
In Palaeontology these crystal forms are, indeed, sometimes mistaken for fossilised plants.
The ones here are Manganese dendrites on a limestone bedding and are from Solnhofen in Germany and they are approximately 150 million years old.
The patterns form when water which is rich in Manganese and iron flows into fissures in the layers of limestone and other rocks depositing dendritic crystals as the liquid flows through over time.
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On this page, below, you will find a selection of dendrites for sale.
