Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …
This is a perthite, variety of feldspar, so called because discovered in the Amazon, but not near the Amazon River. It is part of the family of microclines. The name microcline comes from the Greek “small slope” has been given by Breithaupt in 1830 in
Found in 1815, it name comes from the Latin “albus”, white. It is the sodium end member of the albite-anorthite series of the plagioclase group. It is a very common and widespread mineral. The peristerite shows phenomenon of adularescence same as moonstone.