Datolite, Pyrite, Chalcopyrite |
Datolite, Pyrite, Chalcopyrite |
Specimen # | 100365 | |
Mineral: | Datolite | |
Location: | Charcas, Mun. de Charcas, San Luis Potosi, Mexico | |
Size: | 11.2 x 10.3 x 4.1 cm | |
This large cabinet specimen features a 4.3 cm datolite crystal full of inclusions of euhedral crystals of pyrite and tetrahedrite-coated chalcopyrite, up to about 4 mm in size. Very cool! Several of the smaller datolite crystals also contain inclusions of pyrite/chalcopyrite crystals. Interesting that in some cases the presence of the pyrite and the chalcopyrite led to the development of hollows in the datolite as it crystallized. The inclusions give the datolites a darker appearance than was more typical for this find. The datolites are sprinkled with pyrite and tetrahedrite-coated chalcopyrites crystals, giving the piece some nice metallic sparkle.There are a couple of broken datolite crystals on the piece - one at the right periphery and one left of centre, near the top, and otherwise just minor chips on the piece. The sulfide crystals frozen inside the datolite crystals make this piece - it's great.
This large cabinet specimen features a 4.3 cm datolite crystal full of inclusions of euhedral crystals of pyrite and tetrahedrite-coated chalcopyrite, up to about 4 mm in size. Very cool! Several of the smaller datolite crystals also contain inclusions of pyrite/chalcopyrite crystals. Interesting that in some cases the presence of the pyrite and the chalcopyrite led to the development of hollows in the datolite as it crystallized. The inclusions give the datolites a darker appearance than was more typical for this find. The datolites are sprinkled with pyrite and tetrahedrite-coated chalcopyrites crystals, giving the piece some nice metallic sparkle.There are a couple of broken datolite crystals on the piece - one at the right periphery and one left of centre, near the top, and otherwise just minor chips on the piece. The sulfide crystals frozen inside the datolite crystals make this piece - it's great.
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