Leifite specimens for sale

4 for sale · $260–$5,000 USD

18 in the gallery

Leifite is a rare fluoride-bearing framework silicate mineral that forms intricate, often tabular to prismatic crystals. It typically presents a pale to colorless appearance, sometimes with faint yellow or brown hues, and a vitreous to adamantine lustre that highlights its delicate crystal faces. The mineral crystallizes in habitats that support high beryllosilicate activity and fluoride availability, with notable specimens reported from Canadian localities. In hand samples, leifite can appear as composite aggregates or small, well-formed crystals set in silicate matrices, offering a distinctly airy look due to its open-framework structure.

Formula
(Na,H2O)Na6[Be2Al2(Al,Si)Si15O39]F2
Rarity
Rare
Stability
Stable
Collector interest
Moderate Interest
Classification notes
Silicate; cyclosilicate, leifite group

Key characteristics

Crystal system
trigonal
Mohs hardness
6
Specific gravity
2.56–2.58
Luster
vitreous, pearly
Transparency
transparent, translucent
Color
colorless, white, gray
Streak
white
Cleavage
perfect
Fracture
uneven
Crystal habit
prismatic, tabular, acicular, radiating, massive

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Where Leifite is found

Top localities

  1. Poudrette Quarry9 specimens
  2. Mont Saint-Hilaire6 specimens
  3. Québec1 specimen
  4. Carrière Poudrette1 specimen

About Leifite

Collectors value leifite for its rarity, its unusual chemical composition featuring mounted boron and aluminum in a complex silicate framework, and the challenge of locating specimens showing well-formed crystals. The mineral’s association with other rare silicates and fluorides makes it a sought-after addition for cabinet displays and mineralogical study. Fine examples tend to be small but highly crystalline, and they reward careful handling and display in mineral boxes where their fragile, transparent faces can be appreciated under proper lighting.