Very large piece of ‘architectural’ bizmuth crystals. Superb colours. John cummings May 19, 2020 Uncategorised You Might Also Like Original fossil Brittle Star (starfish) in Matrix. 470 million years old. May 19, 2020 Antoninus Pius. Billon tetradrachm. Alexandria. 138 – 161 A.D. June 1, 2020 ORIGINAL CARCHARODONTOSAURUS SAHARICUS TOOTH. May 19, 2020