L'Ammonite 23 and 24 Passage du Commerce 79000 Niort. Our shops are opened all year long from tuesday to saturday from 10h00 to 12h30 and from 2h30 to 7h00 pm.
Goethite and vanadinite Morocco.
Chemical formula FeO (OH).
Vanadinite crystals are hexagonal prisms.
Goethite has a metallic luster, of blackish-brown.
Dimensions approximately 8x5.5x7 cm.
Weight 474 gr.
Goethite and vanadinite from Morocco.
Goethite occurs as stalactitic aggregates and concretions hummocky.
The crystalsof vanadinite are prismatic.
Chemical formula of goethite FeO (OH).
Dimensions 11x7x7 cm.
Weight of goethite and vanadinite 643 gr.
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