Cyclic twin
This specimen is comprised of reticulated cerussite with a light
malachite
surface coloring. There are also inclusion of micro
galena
coloring portions of the specimen dark grayish black.
Copper
inclusions in cerussite
This specimen has several crystals of cerussite to 1.7 cm across and
numerous spherical masses of
malachite to about 1.5 mm across. Crystalline
copper
is found on the specimen and also in some of the cerussite.
Cerussite with minor
conichalcite
Origin: Tsumeb Mine, Tsumeb, Namibia, Africa
Sample size: 8.5 x 6 x 4 cm (top), 9.5 x 8.2 x 3.2 cm (2nd/3rd row), 6 x 4.7 x
3.6 cm (4th/5th row), 3.1 x 1.8 x 1.4 cm (6th/7th row), 1.7 x 1.3 x 1.2 cm
(8th/9th row), 6.5 x 5.4 x 3.6 cm (10th/11th row), 6.7 x 4.5 x 4.2 cm
(12th/bottom row)
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