General Information:
Chemical Formula:YPO4
Composition:(Molecular Weight = 183.88 gm)Yttrium 48.35 %
Y Phosphorus 16.84 %
P Oxygen 34.80 %
O Empirical Formula: Y(PO4)
IMA Status:Approved IMA 1987
Name Origin:From the Greek xenos - "foreign" and time - "honor."
Physical Properties: Cleavage:[100] Perfect
Color:yellowish brown, greenish brown, gray, reddish brown, or brown.
Density:4.4 - 5.1, Average = 4.75
Diaphaniety:Opaque
Habits:Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Massive - Granular - Commo n texture observed in granite and other
Hardness:4-5 - Fluorite-Apatite
Luminescence:None.
Luster:Vitreous - Greasy
Streak:white
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