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 …
The name quartz comes from a slavic word meaning “hard”. Rock crystal comes from the Greek “krystallos” meaning ice, because the ancients believed that it was “eternal ice”. It is a mineral, often regarded as a rock as it is widespread in various aspects and
For the geologist, the mineralogist and the gemologist, it is neither a mineral or a fossil, or even a rock. This is the central limestone axis around which small polyps have developed, they secrete it and shelter there. These are animals of the Coelenterata phylum
It pays tribute to W. Coleman (1824-1893), founder of the borax industry in California.
Discovered in 1876, on mont Vesuvius in Italy, it honors the name of the mineralogist Sir Abraham Hume (1749-1838). Some clinohumite gemstone was first discovered in Tajikistan, than Pamir, and then later in Vietnam.
