While preparing an account of MOUNT ETNA for the Encyclopedia Britannica, I w…
1,000 producten gevonden in Mineralen Kristallen Edelstenen
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Etna
All My Stones and Minerals Shit
This useful rock collecting planner is a must-have for anyone that loves collect…
Mineralogie Sicilienne Docimastique Et Metallurgique Ou Connaissance De Tous Les Minera…
Minerals and Gemstones
Minerals and Gemstones is an accessible and informative reference guide to 30…
Gemmology 3rd
Since "Gemmology" was published, readers have used it to gain an in-depth apprec…
Chemie Achter De Dijken
Chemie achter de dijken laat zien dat chemie een vak is met velerlei toepassinge…
Nano-structured kaolin clay and its Industrial Applications
A method of treating a kaolin particulate material to improve its properties by …
Collins Gem - Gemstones
A handy guide identifying over 170 types of the world’s gemstones with beau…
The Smithsonian National Gem Collectionâ Unearthed
The scandals, mysteries, and human stories behind the world’s greatest gems…
