DESCLOIZITE, BERG AUKAS MINE GROOT FONTEIN NAMIBIE (cabinet)
La descloizite est un minéral rare composé de vanadate basique de plomb et de zinc, de formule chimique (Pb, Zn)₂(OH)VO₄. Elle cristallise dans le système orthorhombique et présente un isomorphisme avec l'olivénite. Ce minéral peut également incorporer des quantités importantes de gallium et de germanium dans sa structure.
Sa coloration varie du rouge cerise foncé au brun ou au noir, et ses cristaux sont transparents ou translucides avec un éclat gras. Sa trace est jaune orangé à brune, sa densité se situe entre 5,9 et 6,2, et sa dureté est de 3,5. Une variante, la cuprodescloizite, se caractérise par une teinte vert terne et contient une quantité importante de cuivre qui remplace le zinc, ainsi que de l'arsenic en substitution du vanadium. Il existe également un analogue arsénié appelé arsendescloizite.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We want every customer to have a great experience shopping with us. If for any reason you’re not completely satisfied with your purchase, please reach out to our team — we’re here to help and will review every return request with care.
If your item arrives damaged, we kindly ask that you provide a short, continuous video showing the specimen from at least six angles. You can simply hold it in your hands and gently rotate it while filming. Please also include a clear view of the package label in the video so we can assist you as quickly as possible.
For all items reported as damaged or broken, we do require the item to be returned to us before a refund can be processed.
Return shipping costs are initially the responsibility of the customer. However, if your claim is approved after review, we will reimburse your reasonable return postage costs.
Our T&C's or policies prevail in case of a disagreement.
Shop The Full Collection