Glauconite specimens
Glauconite is quite difficult to define, unfortunately. It is not a valid mineral name, and is essentially a mica heavy clay with a green colour.
£10.00
Glauconite specimens
Glauconite is quite difficult to define, unfortunately. It is not a valid mineral name, and is essentially a mica heavy clay with a green colour.
In this case, the specimens are cemented sandstone or Calcite fragments which are coloured by Glauconite sands.
All our stock currently comes from California, USA.
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