A 25 Posts in this encyclopedia category
Actinolite
Actinolite radiant stone Greek actis means jet lithos means stone. Most common is actinolite quartz these are actinolite needles in rock crystal Occurrence :Bulgaria Corsicaand Switzerland
Alexandrite
Alexandrite got its name from the Russian Tsar Alexander, it was one of his favourite stones Alexandrite is formed in mica slate containing chrome It was discovered around 1833 in the emerald...
Amethyst stone
Amethyst is the purple form of quartz Amethyst is formed at temperatures between 100 and 250 degrees Celcius
Amulet stone Thunderegg star agate
Amulet stone is a name for star-shaped agates in rhynolite nodules.Also known as Donnerei, Thunderegg, Schneekopfkugel or star agate. Minerals and fossils in Europe and Asia with star-shaped...
Andalusite
Andalusite how easy to guess what has to do with Andalusia, the funny thing about it is that you hardly find the gemstone there, but in California, Austria, Russia, Sri Lanka and South Africa!
Antimonite
Antimonite is found in China, South Africa, Bolivia and Japan, where it is the largest! Mineral class Sulphides (Formula: Sb2S3 + Fe,Cu,Pb,Zn + (Co,Ag,Au)
Apophyllite
Apophyllite is Greek for flaking. Apophyllite can be found in Brazil or India Poona.
Aquamarine
Aquamarine by the colour is called this gemstone sea water Occurrence: Brazil (Minas Gerais), Pakistan (Himalaya), Afghanistan, India, Sri Lanka, Mozambique.
Aventurine
Aventurine comes from the Italian word Ventura Aventurine is very common and the largest sites are in Brazil, India, Zimbabwe and Russia.
Azurit-Malachit
Azurit-Malachit bei diesem Edelstein ist beides vorhanden Azurit und Malachit. Azurit Malachit ist auch sehr selten, denn dieser Stein entsteht nur wenn das Gleichgewichtsverhältnis sehr...
Azurite-malachite
Azurite-malachite, this gemstone contains both azurite and malachite Azurite malachite is also very rare, because this stone is only formed when the balance ratio is very sensitive. Either at a...