Rare. attractive - unusual.
Black DENDRITEN" trees" in snow-white CALCIT.
The unusual thing about these MANGAN DENDRITES is that they are enclosed three-dimensionally in the CALCIT.
These rough stones were found in MIDELT in the ATLASGEBIRGE
NORTH AFRICA
Weight: 760 g Dimensions: 12 x 11 x 8 cm
Figure 3 is the limestone matrix underside