Marston Marble Slice 11.5cm, Lower Jurassic, UK Amplify A natural Yowah Boulder Opal

A natural Yowah Boulder Opal rough specimen weighing 5g from Yowah

" is a ubiquitous crystal found on every continent

The result is a mineral of striking colour and excellent crystal form

Brown Amethyst Stalactite Specimen 9

Marston Marble Slice 11.5cm, Lower Jurassic, UK Amplify A natural Yowah Boulder OpalMarston Marble Slice 11. 5cm, Lower Jurassic, UK Keywords: Stability, Continuity, Grounding, Legacy, Rhythm Location: Lower Jurassic, Obtusum Zone, Marston Magna, Somerset, UK Marston Marble is a fascinating fossil rich limestone found around Marston Magna in Somerset, England. Despite its name, it is not a true marble but a beautifully patterned sedimentary rock formed over 200 million years ago during the Early Jurassic period. The stone is filled