Rare blue Aurichalcite, acicular crystals, excellent contrast. Crystals on matrix - Height: 143 mm - Width: 81 mm- 540 g

00
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Current bid
€ 1
Reserve price not met
Yoan Beckaert
Expert
Estimate  € 170 - € 200
FR
€1

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A rare assemblage of needle-like azure Auricalcite crystals on a brownish limonite matrix from Kipushi Mine, Kipushi, Haut-Katanga, DR Congo; weight 540 g, dimensions 143 x 81 x 56 mm.

AI-assisted summary

Description from the seller

From our selection of collectible minerals we present a rare aggregation of acicular Auricalcite crystals from the Kipushi Mine, in the Democratic Republic of the Congo.

It is also characterized by dense tufts of radiating thin acicular crystals in a blue-to-teal color that cover a brown-orange limonitic matrix, with a sharp and decisive color contrast between the secondary mineral and the hosting oxidized rock, elements that enhance its aesthetic value and mineralogical importance.
The specimen stands out for the quality of crystallization and for the overall aesthetic balance, with features that enhance its natural structure and visual impact.

Auricalcite is a hydrated zinc and copper carbonate, (Zn,Cu)5(CO3)2(OH)6, which typically forms in the oxidation zone of polymetallic zinc- and copper-rich deposits, where meteoric waters alter primary sulfides. The characteristic blue-green color is due to the presence of copper in the crystal structure, while the zinc component tends to lighten the shade. Kipushi Mine, in Haut-Katanga, is one of the richest polymetallic deposits in the world, historically famous for the extraordinary variety of secondary copper, zinc, lead, and germanium species formed there.

This is an ideal specimen for mineral collections, display, and for those who appreciate the natural beauty of minerals, also in the field of crystal therapy and lithotherapy, according to the properties traditionally associated with the mineral species.

All minerals are 100% natural and untreated, except for rare exceptions always indicated in the description. Photographs are taken with professional lighting to best enhance colors and details; however, slight tone variations may occur depending on the device or ambient light.

Shipping is carried out through reliable and selected express couriers, with fast delivery (in many cases 1–2 working days in Europe), trackable and insured shipping, and professional and safe packaging, as confirmed by customer reviews. Deliveries can also take place the day after payment depending on the destination.

It is possible to accumulate multiple purchases and receive them in a single shipment, also from auctions with different deadlines, simply contacting us to organize the consolidation. For important pieces, direct delivery by appointment to home or at major European fairs is also available.

Remember you can see all pieces in auction at the following link: www.catawiki.com/it/u/16653967

Follow us also in live auctions every Monday and Friday at 20:55!

If you would like to view videos, request additional information or satisfy some curiosities about the pieces in CataWiki's special auctions, do not hesitate to contact us. You can find other contacts here: www.italmineral.com/pages/contact

Seller's Story

I am Luca from italmineral-com, a young salesman with a background in nuclear engineering and I have consolidated my presence in the minerals sector by participating in fairs, auctions and by founding italmineral. I offer only the best, rarest and most special minerals, including uranium and thorium. I always guarantee the highest quality, fast shipping, careful packaging and excellent customer service. I am appreciated for my friendliness and the high quality of the materials offered."
Translated by Google Translate

From our selection of collectible minerals we present a rare aggregation of acicular Auricalcite crystals from the Kipushi Mine, in the Democratic Republic of the Congo.

It is also characterized by dense tufts of radiating thin acicular crystals in a blue-to-teal color that cover a brown-orange limonitic matrix, with a sharp and decisive color contrast between the secondary mineral and the hosting oxidized rock, elements that enhance its aesthetic value and mineralogical importance.
The specimen stands out for the quality of crystallization and for the overall aesthetic balance, with features that enhance its natural structure and visual impact.

Auricalcite is a hydrated zinc and copper carbonate, (Zn,Cu)5(CO3)2(OH)6, which typically forms in the oxidation zone of polymetallic zinc- and copper-rich deposits, where meteoric waters alter primary sulfides. The characteristic blue-green color is due to the presence of copper in the crystal structure, while the zinc component tends to lighten the shade. Kipushi Mine, in Haut-Katanga, is one of the richest polymetallic deposits in the world, historically famous for the extraordinary variety of secondary copper, zinc, lead, and germanium species formed there.

This is an ideal specimen for mineral collections, display, and for those who appreciate the natural beauty of minerals, also in the field of crystal therapy and lithotherapy, according to the properties traditionally associated with the mineral species.

All minerals are 100% natural and untreated, except for rare exceptions always indicated in the description. Photographs are taken with professional lighting to best enhance colors and details; however, slight tone variations may occur depending on the device or ambient light.

Shipping is carried out through reliable and selected express couriers, with fast delivery (in many cases 1–2 working days in Europe), trackable and insured shipping, and professional and safe packaging, as confirmed by customer reviews. Deliveries can also take place the day after payment depending on the destination.

It is possible to accumulate multiple purchases and receive them in a single shipment, also from auctions with different deadlines, simply contacting us to organize the consolidation. For important pieces, direct delivery by appointment to home or at major European fairs is also available.

Remember you can see all pieces in auction at the following link: www.catawiki.com/it/u/16653967

Follow us also in live auctions every Monday and Friday at 20:55!

If you would like to view videos, request additional information or satisfy some curiosities about the pieces in CataWiki's special auctions, do not hesitate to contact us. You can find other contacts here: www.italmineral.com/pages/contact

Seller's Story

I am Luca from italmineral-com, a young salesman with a background in nuclear engineering and I have consolidated my presence in the minerals sector by participating in fairs, auctions and by founding italmineral. I offer only the best, rarest and most special minerals, including uranium and thorium. I always guarantee the highest quality, fast shipping, careful packaging and excellent customer service. I am appreciated for my friendliness and the high quality of the materials offered."
Translated by Google Translate

Details

Main mineral
Rare blue Aurichalcite, acicular crystals, excellent contrast.
Mineral form
Crystals on matrix
Weight
540 g
Origin (region/city)
Kipushi Mine, Kipushi, Kipushi Territory, Haut-Katanga, DR Congo
Country of origin
DR Congo
Height
143 mm
Width
81 mm
Depth
56 mm
ItalyVerified
3561
Objects sold
99.81%
protop

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