Spring Reading Challenge

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Are you Rupert Hochleitner, author of the books below?
The Firefly Guide to Minerals, Rocks and Gems by Rupert Hochleitner The Minerals Encyclopedia by Rupert Hochleitner Mineraly, kamienie szlachetne, skaly by Rupert Hochleitner Minéraux et cristaux. Comment reconnaître les plus beaux miné... by Rupert Hochleitner Minerali by Rupert Hochleitner Piedras preciosas y piedras finas by Rupert Hochleitner 300 roches et minéraux by Rupert Hochleitner Rudnine by Rupert Hochleitner Kamnine by Rupert Hochleitner Minerais by Rupert Hochleitner


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