Radial aggregates of reddish-brown sursassite, bright and on the quartz matrix. It is accompanied by orange-yellow aggregates of tinzenite crystals, together with fibrous masses of light yellow ganophyllite.

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Groups of orange rosettes of this rare species. Tinzenite is a boro/aluminosilicate of calcium and manganese from the axinite group [see here], and probably the best specimens are from this Italian mine. Also accompanied by quartz crystals and white to pink kutnohorite aggregates.

Groups of orange rosettes of this rare species. Tinzenite is a boro/aluminosilicate of calcium and manganese from the axinite group [see here], and probably the best specimens are from this Italian mine. Also accompanied by quartz crystals.

Groups of orange rosettes of this rare species. Tinzenite is a boro/aluminosilicate of calcium and manganese from the axinite group [see here], and probably the best specimens are from this Italian mine. Also accompanied by white epimorphic crystals (after not determined species) of a rare Mn oxalate: lindbergite.

Excellent native copper specimen from this Italian mine. A dendritic growth of small crystals of copper, with defined edges and complex faces. The color is very intense and its luster is more than remarkable. The locality is uncommon for native copper.

Tiragalloita is a rare manganese arsenosilicate found in very few localities. This specimen is from the type locality. In this sample we find a rich mineralized area showing some crystal faces. A systematic rarity. It has been analyzed and we will send a copy to the buyer.