Miocene Fossil Agatized/Silicified Coral from Indonesia

[MarcoSr]

Below are pictures of Miocene agatized/silicified coral pieces from Indonesia.

 

Unpolished white coral piece (1.3 kg 135mm x 105mm x 65mm)

 

 

 

 

 

 

 

 

 

 

 

 

 

Unpolished yellow agatized coral piece (.5 kg 50mm x 80mm x 80mm )

 

 

 

 

 

 

 

 

 

14 polished black coral pieces (largest: 342 grams 120mm x 50mm x 40mm  Smallest: 70 grams 73mm x 40mm x 3to 17mm )  Note there is also white silicified coral and small amounts of red and yellow agatized coral mixed in.  There is one close-up picture from each of the 14 pieces of coral.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Black right next to white

 

 

 

 

Some red and yellow mixed in

 

 

 

 

 

 

Marco Sr.

[Harry Pristis]

This is fascinating material.  I couldn't resist some polished examples:

 

[MarcoSr]

4 hours ago, Harry Pristis said:

This is fascinating material.  I couldn't resist some polished examples:

 

 

Those are really nice pieces.  Thank you for posting.  Polished cabochons are much better for seeing the coral patterns than rough and even polished coral pieces.

 

Marco Sr.

[Ludwigia]

Very nice!!