150mm Polished Oncolite Slice Exmouth Western Australia Rock Slab Marine

$49.95 inc GST

Out of stock



Type of stone: Oncolite
Origin: Exmouth Western Australia
Approx Size: 150mm x 100mm x 9.5mm
Weight: 253 grams
The front is polished and the back is rough.
Oncolites are thought to be formed by cyanobacterial growth. Oncolites are sedimentary structures composed of oncoids, . Oncolites are very similar to stromatolites, but, instead of forming columns, they form approximately spherical structures.
Exmouth was once a sea floor which is where the Oncolites formed. Now it is dry land with a mountain range. 
Comes with free  stand as seen in the photos.

Additional information

Weight 498.95 g
Dimensions 30 × 16 × 8 cm

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