Crystals Tumbled

Labradorite, which is named after a major discovery in Labrador, is found in volcanic deposits, also known as spectrolite. Its attractive blue and green iridescence makes it suitable in jewellery and as a glaze for ceramics. 
 

The name of this soft deep aqua coloured stone originates from the Greek ‘to deceive’ since it was often mistaken for other minerals. Apatite is composed of calcium phosphate, which is the same material that makes up human and animal teeth and bones.
 

Blue moonstone (orthoclase) is from the feldspar family of minerals. Blue moonstone is white or clear, and at times has a pearl-like color.

Honey calcite is also known as amber or gold calcite. Calcite is composed of the same material as limestone: calcium carbonate. This transparent crystal can be found in a variety of colours, such as honey, when it is charged with impurities.
 

Prehnite is a silicate which is usually light green to yellow in colour. It is the first mineral to be named after someone; Colenel Hendrik Von Prehn. Prehnite rarely forms distinct crystals, usually it forms as stalactites or botroidals.
 

This angelite from Peru is a form of anhydrate that is blue. It is not a common mineral as it easily alters to the much more common mineral gypsum - from the addition of water to its chemical structure.

Quartz is a member of the largest family of stones, the silica group, it is the second most abundant mineral in the Earth’s continental crust. Since antiquity, it has been used to make jewellery and carvings.