allanite-(Ce)
E905967
Allanite-(Ce) is a rare-earth-bearing silicate mineral rich in cerium, typically found in granitic and metamorphic rocks and known for its dark color and radioactive properties.
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
mineral
ⓘ
rare-earth-bearing mineral ⓘ silicate mineral ⓘ sorosilicate ⓘ |
| belongsToSubgroup | allanite subgroup ⓘ |
| containsElement |
Al
ⓘ
Ca ⓘ Ce ⓘ Fe ⓘ H ⓘ O ⓘ Si ⓘ Th ⓘ U ⓘ |
| hasChemicalFormula | CaCeAl2Fe2+2(SiO4)(Si2O7)O(OH) ⓘ |
| hasCleavage | poor ⓘ |
| hasColor |
black
ⓘ
brownish black ⓘ |
| hasCrystalClass | prismatic ⓘ |
| hasCrystalSystem | monoclinic ⓘ |
| hasEconomicUse | minor ore of rare earth elements ⓘ |
| hasFracture | uneven ⓘ |
| hasIMAStatus | approved mineral species ⓘ |
| hasLuster |
submetallic
ⓘ
vitreous ⓘ |
| hasMohsHardness | 5.5 ⓘ |
| hasOpticalProperty |
biaxial negative
ⓘ
strong pleochroism ⓘ |
| hasSpaceGroup | P21/m ⓘ |
| hasSpecificGravity | 3.5–4.2 ⓘ |
| hasStreak | gray ⓘ |
| hasTenacity | brittle ⓘ |
| isAKeyHostFor | light rare earth elements ⓘ |
| isAssociatedWithMineral |
biotite
ⓘ
epidote ⓘ feldspar ⓘ monazite ⓘ quartz ⓘ zircon ⓘ |
| isDominantRareEarthElement | Ce ⓘ |
| isNamedAfter | cerium NERFINISHED ⓘ |
| isPartOf | allanite series ⓘ |
| isRadioactive | true ⓘ |
| memberOf | epidote group ⓘ |
| occursInGeologicalSetting |
contact metamorphic zones
ⓘ
felsic igneous rocks ⓘ |
| occursInRockType |
gneiss
ⓘ
granite pegmatites ⓘ granitic rocks ⓘ metamorphic rocks ⓘ schist ⓘ |
| wasFirstDescribedAs | allanite ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.