XENOTIME Mineral Data, minerology database

Mineral Reference Lookup for XENOTIME

This reference page contains mineralogic data for XENOTIME and folklore and metaphysical beliefs. If the mineral is an alternate naming of a more common name, the more common mineral's data is displayed below the list of synonyms.

Minerals matching XENOTIME in the database: XENOTIME Xenotime-(Y) Xenotime-(Yb)

Mineralogical Reference

XENOTIME

Mineral	XENOTIME
Class	Phosphates
Uses	As mineral specimens and as a source of yttrium.
CrystalHabits	include stubby to elongated prismatic crystals that are terminated by variously slanted dipyramids.Also known for nice rosette and radial aggregates.
Fracture	perfect in two prismatic directions.
Characteristics	Trace amounts of uranium and other rare earth elements may render crystals slightly radioactive.
Occurences	include Arendal, Hittero and Tvedestrand, Norway; Madagascar; several locations in Brazil and also in the United States in Colorado, California, Georgia and North Carolina.
Indicators	color, crystal habit, cleavage, softness and luster.
DensityNote	heavy for translucent minerals
Synonym	Xenotime-(Y)

Xenotime-(Y) (synonym)

Mineral	Xenotime-(Y)
Chemistry	YPO 4
Color	Yellowishred dishbrown red
Luster	VitreousSub-VitreousResinous
CrystalSystem	Tetragonal
Cleavage	Imperfect/Fair {100}
Hardness	4 - 5
SpecificGravity	4.277 g/ccm
Streak	Pale brownyellowish or reddish
Occurences	Minor accessory mineral in acidic and alkalic igneous rocks and pegmatites; in mica and quartz rich gneisses.
IMAStatus	Approved - Published prior to 1959 (pre-IMA) - Gra
Discovered	1832
CellParameters	a = 6.878c = 6.036
Ratio	a:c = 1 : 0.878
OpticalType	Uniaxial (+)
RI	n ω =1.720 n ε =1.815
Birefringence	δ=0.095
SurfaceRelief	High
TypeLocality	Hidra ( Hitterø) Flekkefjord Vest- Agder Norway
Strunz	7/A.14-10 7 : PhosphatesArsenatesVanadates A : Waterfree phosphates [PO4]3- without unfamiliar anionscations of small size: LiBeAl 14 : Xenotime-(Y) - Wakefieldite-(Ce) series