Pyrite is one of the most widely distributed of sulphide minerals, occurring in a variety of environments. It is present in igneous rocks as an accessory mineral. It is a common mineral in hydrothermal sulphide veins, in replacement deposits and in contact metamorphic deposits. Fossils are often replaced by pyrite. The name comes from […]
The variety of quartz known as jasper is a heterogeneous mass of micro-crystallised quartz, which is heavily pigmented with colourful minerals. The colours of jasper are mainly due to iron and are usually yellow, red, brown, black or green. The green jaspers, when of a uniform light shade, are often known as prase, and the […]
Lazurite is a popular but generally expensive mineral. Well-formed, deep blue crystals are rare and valuable. It is more commonly found massive and combined with other minerals into a rock called lapis lazuli.
Lapis lazuli, or lapis for short, is mostly lazurite, but commonly contains pyrite and calcite and traces of some other minerals. […]
Ruby in Fuchsite is a lovely combination of natural red Ruby crystals embedded in pale to medium green Fuchsite. Great for any collection, Ruby in Fuchsite merges the qualities of Ruby and Fuchsite for the perfect Heart Stone. Ruby Fuchsite will help to clear any blockage of the Heart Chakra and fill the void […]
Calcite is a common and widely distributed mineral. It is a rock-forming mineral that is a major constituent in calcareous sedimentary rocks (limestone) and metamorphic rocks (marble). It may be precipitated directly from seawater and it forms the shells of many living organisms, which on death accumulate to form limestone. In areas of hot […]
Ruby is the fabulous gemstone for those born in the month of July. Ruby is the superb scarlet variety of corundum, the second hardest natural mineral known.The non-red variety of corundum is sapphire. Sapphires are well known as being blue, but they can be nearly any colour. The red colour in ruby is caused […]