Shiny metallic crystal of this very rare Pb-Cu-Sb-Bi sulphosalt known from a few places worldwide. From: Deer Park Mine, Rossland, British Columbia, Canada. Tintinaite usually occur as included crystals in quartz matrix, but this specimen has a crystal out of the matrix. Microprobed specimen in Dr.Hartel collection. — Photo: David Hospital · CC BY-SA 4.0
Tintinaite
Tintinaite is an IMA-recognized mineral species in the sulfosalt class, with the chemical formula Pb₁₀Cu₂Sb₁₆S₃₅.
It crystallizes in the monoclinic crystal system. It is a member of the Kobellite structural group.
Key properties: specific gravity 5.48; Black streak; Metallic. R1 –R2: (400) 39.3–44.5, (420) 39.0–44.3, (440) 38.8–44.0, (460) 38.5–43.7, (480) 38.2–43.6, (500) 38.1–43.8 luster.
IMA symbol Tti, IMA status: approved, named in 1967.
Occurs as small masses and veinlets in malachite-stained quartz (Tintina mines, Canada).
It is found associated with Jamesonite, argentian tetrahedrite, galena, sphalerite, pyrite, arsenopyrite, marcasite, bournonite, owyheeite, pyrrhotite, chalcopyrite (Tintina mines.
The name refers to the Tintina mines, Canada.