conchoidal

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 …

microlite

ck_admin March 24, 2021

Its name comes from the Greek “micro” to indicate that when discovered in 1835 it was only present in small crystals.

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mellite

ck_admin March 24, 2021

Discovered in 1789, is a compound of organic origin. Its name comes from the Greek “melis” which means honey, referring to its color.

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meionite

ck_admin March 24, 2021

Discovered in 1801 by René Just Haüy, its name comes from the Greek in the sense that it would be “less than” … its pyramidal crystals would be less steep than those of vesuvianite. It is found in metamorphic rocks. The group of scapolites forms

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magnetite

ck_admin March 24, 2021

Known since antiquity, Pliny the Elder mentioned it in the year 77, it was identified in 1845 by von Haidinger. It is named after the Greek “magnes”, which means magnet, it is found on Mount Magnetos in Greece. It is a naturally magnetic iron oxide

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