Tsaregorodtsevite

5 in the gallery

Tsaregorodtsevite is a rare mineral with a complex chemistry and a design that reflects its name from a type locality influence. It forms in intimate associations with silicate-rich hosts, often presenting as small, well-formed crystals that exhibit a subdued, pale coloration. The mineral’s lustre is modest to vitreous, and its habit tends toward compact, intergrown aggregates rather than solitary crystals, reflecting its crystallographic constraints and growth environment.

Formula
(N(CH3)4)(AlSi5O12)
Rarity
Ultra Rare
Stability
Stable
Collector interest
Niche Interest
Classification notes
Tectosilicate, zeolite-group related aluminosilicate; Strunz 9.G

Key characteristics

Crystal system
tetragonal
Mohs hardness
5
Specific gravity
2.1
Luster
vitreous
Transparency
transparent, translucent
Color
colorless, white
Streak
white
Fracture
uneven
Crystal habit
prismatic, granular
  • Micro-mount only

Where Tsaregorodtsevite is found

Top localities

  1. Ural Mountains1 specimen

About Tsaregorodtsevite

Notable specimens have been reported from Russia, where localized geological conditions support the formation of this complex phosphate-silicate. Collectors prize Tsaregorodtsevite for its rarity and the intrigue of its composition, which showcases a coordinated arrangement of elements within a silicate framework. While small in size, the crystals offer visual interest through their gloss and structure, rewarding careful handling and display as part of a broader, scientifically informed collection.