Bilingual mineralogy database
JJ's mineralogy.
Scientific cards on minerals, gems and fossils — rigorous, accessible, beautiful to read. Born from Jacopo's curiosity, age 10.
80cards
2languages
3depth levels
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I preferiti di Jack
Jacopo is 10 years old and loves minerals. This database was born for him — and a little thanks to him too.
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Paraíba Tourmaline