Thortveitite
Sc₂Si₂O₇
Silicates
Hardness —
· Monoclinic
Photo: Joan Rosell - Rosellminerals.com · CC BY-SA 4.0
Allanite-(Ce)
CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)
Epidote supergroup, sorosilicate
Properties
- Chemical formula
- CaCe(Al₂Fe²⁺)[Si₂O₇][SiO₄]O(OH)
- Group
- Silicates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- P2₁/m
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.BG.05b
- Dana classification
- 58.2.1a.1
- IMA status
- Renamed mineral (Rn)
- IMA symbol
- Aln-Ce
- Locality
- 🇬🇱 Qáqarssuatsiaq
- Type locality
- —
- Discovery year
- —
Etymology
Named after cerium
Source: Wikidata
For sale on the marketplace
View all →
No offers for Allanite-(Ce) at the moment. Browse the marketplace →
