Cylindrite specimens for sale

8 for sale · $100–$800 USD

6 in the gallery

Cylindrite is a lead–tin sulfide mineral with a complex, layered structure that gives it a dark, metallic appearance and a distinct sheen. It often occurs in elongated, tabular crystals or as fine-grained masses, displaying a characteristic metallic luster and a gray to black color that can show subtle iridescence in exposed edges. The mineral forms in hydrothermal and sulfide-rich environments and is commonly associated with other sulfide minerals in ore veins. Notable specimens have originated from Bolivia and Argentina, where classic localities have produced well-formed crystals and rich, dense aggregates that highlight Cylindrite’s reflective surfaces and geometric habit.

Formula
Pb3Sn4FeSb2S14
Rarity
Rare
Stability
Moderately Stable
Collector interest
Very High Interest
Classification notes
Sulfosalt, cylindrite group

Key characteristics

Crystal system
triclinic
Mohs hardness
2.5–3
Specific gravity
5.4–5.45
Luster
metallic
Transparency
opaque
Color
gray, black
Streak
black
Cleavage
perfect
Fracture
uneven
Crystal habit
prismatic, fibrous, massive, granular
  • Classic / historic

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Where Cylindrite is found

Top localities

  1. Poopó2 specimens
  2. Santa Cruz Mine2 specimens
  3. Callapampa1 specimen
  4. Poopó Province1 specimen

About Cylindrite

Collectors value Cylindrite for its unique chemistry and crystal forms, where the interplay of lead, tin, iron, antimony, and sulfur yields a distinctive, layered structure. While individual crystals can be small, high-quality pieces display crisp edges and good lustre, making them attractive for display and study. The mineral’s relatively rare occurrence and its association with significant sulfide mineral assemblages add to its appeal among collectors seeking examples that illustrate complex sulfide chemistry and distinctive crystal habit.