Poudretteite
Species
Legendary · KNa₂B₃Si₁₂O₃₀
Named for the Poudrette family, whose quarry at Mont Saint-Hilaire in Quebec yielded the first tiny etched crystals, described as a new mineral in 1987. The first gem-quality stone, pale pink, turned up in Mogok, Myanmar, in 2000.
Identity
- Formula
- KNa₂B₃Si₁₂O₃₀
- Chemical class
- Silicate
Crystallography
- Crystal system
- Hexagonal
- Habits
- Prismatic
- Fracture
- splintery to conchoidal
Physical properties
- Mohs hardness
- 5
- Density
- 2.51 g/cm³
- Luster
- Vitreous
- Colors
- pale pink, colorless
- Streak
- white
- Transparency
- Transparent
Geology
- Origins
- Igneous
- Host rocks
- River gravels and sands
- Associated minerals
- Pectolite, Apophyllite, Aegirine
- Found in
- Placer deposit
- Geography
- Canada (Mont Saint-Hilaire), Myanmar
Classification
- Rarity
- Legendary
- Gem quality
- Yes
Arcane properties
- Affinity
- Life, Arcane
- Effects
- Healing, Scrying
- Planar origin
- Material Plane
Sources
- M. Pasero and others, IMA Commission on New Minerals, Nomenclature and Classification, The New IMA List of Minerals, updated September 2026. International Mineralogical Association (CNMNC), 2026.
- J. W. Anthony, R. A. Bideaux, K. W. Bladh, M. C. Nichols, Poudretteite. Mineral Data Publishing, Handbook of Mineralogy, 2001.
- C. P. Smith and others, Poudretteite: A Rare Gem Species from the Mogok Valley. Gemological Institute of America, Gems & Gemology (Spring 2003), 2003.
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