C.C. CASTELL

Kunzite is a glassy stone that is naturally pale pink in colour. It can also be found in colourless form and in lilac and yellowish green...

Red Jasper is a member of the Chalcedony mineral class. It is an opaque version of quartz with a vitreous lustre and opaque transparency....

Jade is a silicate mineral often synonymous with East Asian art. It is part of the Jadeite class of mineral and is part of the monoclinic...

Iolite is a variety of the mineral Cordierite. It is rich in iron and comes in shades of purple and grey or can be colourless. It has a...

Howlite is a borate mineral comprised of irregular nodules and a monoclinic structure. Howlite has a porous texture and is also known as...

Hematite is an iron oxide crystal and an important ore of iron. It is part of the trigonal crystal system and is often found in rocks and...

Gold Crystals A symbol of sublime purity, a wealth of self, and earthly warmth – there is something truly precious about gold. Whether...

The Stunning Garnet Gemstone The pomegranate stone of Garnet gleams with a dark red lustre that instantly stirs the soul. This precious...

Fluorite is a form of calcium fluoride. It belongs to the family of halide minerals and is part of the cubic crystal system. Fluorite is...

Citrine is classed as a quartz. It takes its colour from the traces of iron in the quartz and can be anything from pale yellow to bright...

Chrysocolla is a blue green crystal with a high copper content. It is opaque in transparency with a vitreous to dull lustre. Chrysocolla...

Charoite is a potassium, barium, calcium strontium, hydrogen silicate mineral. It is a rare purple stone with a pearly lustre and comes...

Celestite is a mineral made up of strontium sulfate. It also goes by the name Celestine. It’s a crystal that is mostly found in...

Carnelian is a member of the Chalcedony family. It is a silica mineral that takes its colour from iron oxide. Carnelian has a hexagonal...

Calcite is a common yet complex crystal. It is a carbonate mineral that comes in a range of different shades. Calcite can be clear or...

Bloodstone is a variety of Chalcedony. It is also known by the name aggregate heliotrope and is a hexagonal crystal system. The usual...

Azurite is a prismatic crystal. It is made up of copper carbonate hydroxide and is soft blue in colour. Azurite is an ancient stone; it...

Aventurine is a style of quartz. It is most commonly green but also comes in shades of blue, red, orange, grey and brown. It has a platy...

Aquamarine is a popular blue gemstone. It is a greenish blue colour and part of the hexagonal crystal system. Aquamarine has a vitreous...

Apophyllite is classed as a mineral from the Phyllosilicate family. The meaning of the name comes from the Greek for ‘flake off’....