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Pierre verte à identifier


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  • 1 year later...



La grosse, un bloc de Fluorite (ne réagi pas à l'acide chlorhydrique, une goutte suffit, elle est rayée avec le couteau ou aiguille...)

La petite, au premier abord j'y vois plutôt un déchet de verrerie, un test avec le couteau et d'autres photos éventuellement.

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