Colemanite 4cm x 1cmWeight-325gYou will receive

4cm x 1cmWeight-325gYou will receive the item in the photo

Brittle stars (Class Ophiuroidea) are the most diverse group of echinoderms

1cm x 11cm x 9

resulting in the intricate patterns and designs that characterise them

Macedonian opal From Macedonia

Colemanite 4cm x 1cmWeight-325gYou will receiveColemanite Natural Mineral From Boron California USA Size 4. 5cm x 4. 4cm x 2cm Weight 42g You will receive the item in the photo Cloemanite is a borate mineral. Crystal system Monoclinic Mineral class Borate Hardness 4. 5 on the MOHs scale Rock formation: Environment Arid and semi arid closed lake basins (alkaline lacustrine environments) Process Forms as a secondary chemical sedimentary mineral through the evaporation of boron rich waters or via the