Cobra Agate Rough For Tumbling available to buy now for £1.66 from the Rough Rock Shop. This Rough For Tumbling is in stock in the UK and will be dispatched within 1 working day.
Cobra Agate has a hardness rating of 6.5 to 7 on the MOHS scale.
Our Cobra Agate Rough For Tumbling is an ideal size for use in most rock tumbler barrels and is offered in 100 gram (+/- 5%) packs. This allows you to mix and match different types of rock to create a full barrel load if you wish.