Silex: Mineral information, data and localities.

NI 43-101 Technical Report for Resources Yaxtché Silver Deposit

Marlstone: Mineral information, data and localities.

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Biface, Acheulean

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Intriguing minerals: quartz and its polymorphic modifications

Silica: Mineral information, data and localities.

Plumbogummite: Mineral information, data and localities.

Distinction des contours des formations à silex saisies selon le nom

Silicon, Element, Atom, Properties, Uses, & Facts

Silex: Mineral information, data and localities.

Plumbogummite Group: Mineral information, data and localities.