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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 …
actualités
amber
ck_admin
March 24, 2021
It is a product of plant origin, the fossilized resin of some conifers (pine, redwood, cypress, cedar …) and some angiosperms (legumes, Umbelliferae, Liliaceae). The amber from the Dominican Republic was produced by a kind of tropical tree, now extinct, ancestor of the carob tree,
alabaster
ck_admin
March 24, 2021
Its name comes from the Greek “alabastros” (earlier albatos) which designated a vase without handles, alabaster being used to make perfume vases without handles. Alabaster is an evaporite mineral. It is a massive aggregate of fine-grained variety of gypsum, its softness make it easy to
agate
ck_admin
March 24, 2021
This is a quartz, more exactly a transluscent chalcedony (itself a variety of cryptocrystalline quartz) which shows concentric bands sometimes containing opale. Comes in many colors, banded, forming concentric bands, more or less circular up to oval. Their formation is so far discuted : or
