(?)Smithsonite Aggregates on Matrix - NTS 060

Measurements:  83 x 55 x 50 mm

Description:  Aggregates of glittering (?)smithsonite crystals (with an unusual habit) with minute, but beautiful mimetite crystals and minute bits of malachite, on a rock matrix. The mimetite and malachite can be enjoyed with the help of a loupe.

Damage is confined to the edges. One of the small sides of the specimen has been trimmed.   

Weight of Specimen:  208 g

Chemical Composition:   ZnCO₃ (smithsonite basic formula)
                                       Pb₅(PO₄)₃Cl  (mimetite)                                                                        Cu₂+(CO₃)(OH)₂  (malachite)                                      
Hardness on Mohs Scale:  (basic smithsonite)  4 - 5
                                            (mimetite)  3.5 - 4
                                           (malachite)  3.5 - 4

Location:  Tsumeb, Northern Namibia.

Specimen Code:   NTS 060

US $ 120