Britholite-(Ce)
| Britholite-(Ce) | |
|---|---|
A photo of the mineral | |
| General | |
| Category | Minerals |
| Formula | (Ce,Ca)5(SiO4)3OH |
| IMA symbol | Bri-Ce |
| Crystal system | Hexagonal - Dipyramidal |
| Space group | P63/m |
| Identification | |
| Colour | Brown, greenish brown, yellow, resin brown, black |
| Mohs scale hardness | 5.5 |
| Luster | Adamantine - Resinous |
| Specific gravity | 4.45 |
| Density | 4.45 |
| Major varieties | |
| hardness | 5.5 on the Mohs scale |
| type locality | Naujakasik(Naajakasik), Tunulliarfik Fjord, Ilímaussaq complex, Narsaq, Kujalleq, Greenland |
Britholite-(Ce) is a rare radioactive mineral with the chemical formula (Ce,Ca)5(SiO4)3OH. It comes in a variety of different colors. Its type locality is Naujakasik (Naajakasik), Tunulliarfik Fjord, Ilímaussaq complex, Narsaq, Kujalleq, Greenland.