Axinite

Axinite specimens for sale

78 for sale · $60–$15,000 USD

166 in the gallery

Axinite is a borosilicate mineral that forms prismatic to tabular crystals with a sharp, lustrous surface and a characteristic brown to violet color. It typically occurs in granular or Disseminated crustal settings and can show anisotropic pleochroism, revealing different colors along different crystallographic axes when viewed in polarized light. The mineral’s crystallography and glassy to resinous luster make individual crystals stand out in hand specimens and cabinets of curiosities.

Formula
Ca2Fe2+Al2BSi4O15OH
Rarity
Rare
Stability
Stable
Collector interest
High Interest
Classification notes
Silicate minerals; Axinite group

Key characteristics

Crystal system
triclinic
Mohs hardness
6.5–7
Specific gravity
3.26–3.36
Luster
vitreous
Transparency
transparent, translucent
Color
brown, violet, blue, gray, yellow, green
Streak
white
Cleavage
good
Fracture
conchoidal, uneven
Crystal habit
tabular, bladed, prismatic, granular, massive
  • Gem mineral
  • Classic / historic

Buy Axinite specimens

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Where Axinite is found

Top localities

  1. Merelani Hills16 specimens
  2. Balochistan9 specimens
  3. New Melones Dam6 specimens
  4. Cullhuay5 specimens
  5. Le Bourg-d'Oisans5 specimens
  6. Puiva Mount5 specimens
  7. Little Three Mine4 specimens
  8. Bor Pit3 specimens
  9. Canta District3 specimens
  10. Peru2 specimens

About Axinite

Prominent localities include Russia and France, where axinite crystals are sought for their unusual decahedral and trapezohedral forms that often display well-defined terminations. In other productive regions, such as the USA, Tanzania, and Peru, specimens can be smaller but still carry strong color and crystal clarity that appeals to collectors who favor mineralogical variety and classic, well-formed crystals. Collectors prize axinite for its combination of color, crystal habit, and the striking contrast against matrix rocks, as well as its rarity in certain localities, which adds appeal for display and study.