Synchysite-(Ce)
Mineral CaCe(CO3)2F
About it
Small, waxy yellow to brown six-sided prisms and rosettes in alkaline rocks and Alpine clefts. Named from the Greek for 'confusion', since it was long mixed up with parisite; found at Mont Saint-Hilaire, Quebec.
- Type
- Mineral
- Group
- Carbonate (with fluoride)
- Formula
- CaCe(CO3)2F
- Hardness (Mohs)
- 4.5
- Specific gravity
- 3.9–4.15
- Streak
- white
- Lustre
- vitreous (glassy), greasy
- Crystal system
- Monoclinic
- Colours
- wax yellow, brown, grey, orange
- Transparency
- transparent, translucent
- Cleavage and fracture
- indistinct basal
Typical values: real specimens vary. For more, see mindat.org.