Edwardsita
Structural context
Monazite-(Ce)
Crystal System monoclinicSpace Group P21/c
Chemical context
Stoichiometric formulas
Edwardsita
mindat.org
- March 13, 2023Ce(PO4)
Monazite-(Ce)
mindat.org
- March 13, 2023Ce(PO4)Always contains major to minor amounts of other REE (Nd, La, Sm, ...) replacing Ce. Also often contains trace amounts of U and Th (coupled with Ca).
IMA
- March 13, 2023Ce(PO4)
mineralogy.rocks
- Aug. 30, 2022Ce3+PO4
Physical properties
ColorColor entities, recognized using a custom trained NER model
- reddish brown
- yellow brown
- colourless
Color noteOriginal color note from the source
Commonly reddish brown to brown; shades of green to brown, yellow brown, rarely nearly white; yellow, colourless in transmitted light.
StreakStreak entities, recognized using a custom trained NER model
Streak noteOriginal streak note from the source
White, faintly coloured.
Lustre
Sub-Adamantine
Vitreous
Sub-Vitreous
Resinous
Waxy
Greasy
Fracture
Irregular/Uneven
Conchoidal
Transparency
Translucent
Tenacity
brittle
Hardness
5—5.5
Measured density
5—5.5
Calculated density
5.26