Bonshtedtite is a rare species at Mont Saint-Hilaire.
PHYSICAL CHARACTERISTICS:
- Color is usually colorless or yellow.
- Luster is vitreous to pearly.
- Diaphaneity is transparent to translucent.
- Crystal System is monoclinic; P21/m.
- Crystal Habits include tabular plates of crystals and lozenges.
- Cleavage {100}, {010} are perfect.
- Fracture is ??.
- Hardness is 4.
- Specific Gravity is approximately 2.95 g/cm3.
- Streak is white.
- Associated Minerals include bradleyite, burbankite, ilmenite,
lorenzenite and natrolite. - Distinguishing Features: Crystal habits.
- Origin: Named in 1982 after Elsa Bohnstedt-Kupletskaya (1894-1974),
Russian mineralogist.
| Dana class # | 43.2.1.3 – Phosphates, arsenates, and vanadates; compound phosphates, arsenates and vanadates; bradleyite group |
| Strunz class # | V/C.4-30 – Nitrates, carbonates & borates; water-free carbonates with unfamiliar anions; bradleyite – crawfordite series |