Gemmologie & géologie

Un guide accessible et informatif sur 300 minéraux et pierres précieuses, allant des simples grès au diamant, jade et sanidine. Découvrez le monde ...

Love Is in the Earth - Mineralogical Pictorial: Treasures of the Earth Authors: Melody, Bob Jackson, Julianne Guilbault, Jim Hughes Language: Engl...

This is a comprehensive, recent guide from Princeton University Press to the world's rocks and minerals! For the avid rock-hunter or anyone interes...

Aviez-vous une collection de pierres quand vous étiez enfant ? Souhaitez-vous encourager un intérêt pour le monde naturel chez vos enfants ? Découv...

The title Gems is unique within itself. The Poetry displays deep thoughts that cause one to think of the known as well as the unknown. I chose Gems...

From the rarest crystal to the most common stone, gems from around the world are revealed in dazzling detail in this illustrated guide. Become an ...

Doctor Maria Rotter's occult description of gemstones and their vibrating effects on human chakras. Author: Maria Rotter Name o...

Geopedia is a Treasure for rockhounds and linguists both. With dozens of entries—from Acasta gneiss to Zircon—it is a celebration of the lexicon o...