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.
Malachite stalactites from Congo.
Copper ore, chemical formula Cu2 [(OH) 2/CO3].
Crystallization in stalactites light green and dark green.
Dimensions 3.5x8 cm.
Weight 153 gr.
Malachite slab of stalactites polished from Congo.
Malachite is the main copper ore.
Carbonates group.
This decorative material used in jewelry
or size statues and decorative objects.
Its structure is zoned from light green to dark green.
Dimensions 63x38 mm.
Weight malachite slab 41 gr.
Malachite aggregates from Congo.
It comes from the famous copper mines of Katanga.
Crystals in kidneys or stalactites.
Chemical formula Cu2 [(OH) 2CO3].
Dimensions 9x6.5x4 cm.
Weight 320 gr.
Malachite from Congo important copper ore.
It occurs as botryoidal mass concreted.
It is used as an ornamental stone for jewelery
or collection statuette but also for
columns of temple or church.
In 1835 a massive block of 28 tons was extracted from the Urals.
Malachite is a hydrous copper carbonate.
Sample size 90x55x55 mm.
Weight 360 gr
Malachite polished pebble from the Congo.
Copper ore, carbonate group.
The face not visible in the picture is rough.
Dimensions 6x5x2.5 cm.
Weight 250 gr.
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