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3.8" Chrysocolla and Drusy Malachite - Congo
This beautiful specimen malachite coated in a pseudomorph of blue chrysocolla. Rings from the formation of malachite can be seen along the edge, where a cross section remains from the removal of this mineral association. The heterogenite matrix of this specimen reveals small veins and cracks of chrysocolla and malachite, leaving even the matrix with a beautiful and unique appearance. There are two pockets of drusy malachite crystals visible.
Chrysocolla is a basic copper silicate that typically forms as a pseudomorph following other copper based minerals. The chemical formula is considered undetermined due to the varying substitutions of elements and water content in its chemical structure. However, there is a form of chrysocolla with an identifiable chemical formula of Cu2H2Si2O5(OH)4 that can be found in microcrystals.
Regularly, chrysocolla will form as botryoidal lumps and spheres, rarely forming visible crystals. It can also form in both solid and fibrous veins, over fibrous minerals, and in crusts. Known for its sharp and vibrant coloring, chrysocolla can display a wide variety of colors such as bluish-green, bright green, light blue, to even sometimes multicolored specimens depending on the atmosphere present during formation.
Regularly, chrysocolla will form as botryoidal lumps and spheres, rarely forming visible crystals. It can also form in both solid and fibrous veins, over fibrous minerals, and in crusts. Known for its sharp and vibrant coloring, chrysocolla can display a wide variety of colors such as bluish-green, bright green, light blue, to even sometimes multicolored specimens depending on the atmosphere present during formation.
SPECIES
Chrysocolla & Malachite
LOCATION
Democratic Republic of the Congo
SIZE
3.8" long, 2.5" wide, 2.4" tall
CATEGORY
ITEM
#54986
