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RM1688   Aluminite

Csordakúti Mine, Bicske-Zsámbéki Basin, Bicske-Csordakút, Fejér Co., Hungary

Close to the mellite species, aluminite specimens from this Hungarian mine are a classic of the ancient European mineralogy. There present nodules with orange ocher tones due to iron minerals, but the interior of them shows us a snowy white sugar texture. This mineral occurs in many locations, but in a few with this richness.


Size: 8.5 x 7.0 x 2.6 cm.

 

RM1686   Mellite and calcite

Csordakúti Mine, Bicske-Zsámbéki Basin, Bicske-Csordakút, Fejér Co., Hungary

Mellita, also called xylocriptite or honeystone, is an organometallic compound. It is an aluminum salt of the melitic acid; that is, an aluminum benzene-hexacarboxylate hydrate with a chemical formula Al2C6(COO)6·16H2O. This is a rare rare secondary mineral in lignite deposits. In this sample we can observe rich facets and transparence. Nice specimen. Fluorescent under SW-UV.


Size: 5.0 x 3.8 x 3.0 cm
Main crystal: 14 x 10 mm.

Fluorescent under short wave UV
Price: 45 €Buy
 

RM1687   Mellite and calcite

Csordakúti Mine, Bicske-Zsámbéki Basin, Bicske-Csordakút, Fejér Co., Hungary

Mellite, also called xylocriptite or honeystone, is an organometallic compound. It is an aluminum salt of the melitic acid; that is, an aluminum benzene-hexacarboxylate hydrate with a chemical formula Al2C6(COO)6·16H2O. This is a rare rare secondary mineral in lignite deposits. In this sample we can observe rich facets and transparence. Nice specimen. Fluorescent under SW-UV.


Size: 5.3 x 4.5 x 3.5 cm.
Main crystal: 18 x 10 mm

Fluorescent under short wave UV
Price: 50 €Buy
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