ORBICULAR GRANITE – MT MAGNET – W.AUST
$96.00
For sale is a very interesting and unusual orbicular granite from Mt Magnet, W.Aust. This specimen features a perfect half sphere on matrix, its the first time I have ever seen any matrix specimens, or seen a half sphere. To quote Wikipedia, ” These rocks have a unique appearance due to orbicules – concentrically layered, spheroidal structures, probably formed through nucleation around a grain in a cooling magma chamber due to rapid physical changes
Product Description
For sale is a very interesting and unusual orbicular granite from Mt Magnet, W.Aust. This specimen features a perfect half sphere on matrix, its the first time I have ever seen any matrix specimens, or seen a half sphere. To quote Wikipedia, ” These rocks have a unique appearance due to orbicules – concentrically layered, spheroidal structures, probably formed through nucleation around a grain in a cooling magma chamber due to rapid physical changes. On a world scale this is not a commonly found, especially in such size and definition. These West Australian specimen could be considered some of the world finest examples. Please remember our prices are in Australian dollars. Top piece!! Way way better in person.
MT MAGNET, COOLGARDI, W.AUST.
112 x 49 x 47mm
