IMA Code

Mnz-Gd

	Formula	Name	Family	Number min-max	Isotope mole fraction	State	Relevance
	$Gd^{3+}$	Gadolinium cation	element	0.3 - 1		constituent cation	main
	$Sm^{3+}$	Samarium cation	element	0 - 0.5		constituent cation	main
	$Ce^{3+}$	Cerium cation	element	0 - 0.5		constituent cation	main
	$La^{3+}$	Lanthanum cation	element	0 - 0.5		constituent cation	main
	$Nd^{3+}$	Neodymium cation	element	0 - 0.5		constituent cation	main
	$(PO_4)^{3-}$	Phosphate anion	chemical function	1		anionic radical	main

Chemical functions

	Function	Number
	$(PO_4)^{3-}$	1

Chemical bonds

	Bond	Number
	$\cdot (\cdot) Gd^{3+} \cdot O^{-}-$	3
	$\dddot - \dddot - \dddot - P \dddot - O^{-3/4}$	4

Strunz

Class

phosphates - arsenates - vanadates (08)

Division

phosphates, etc. without additional anions, without H2O (08.A)

Family

with only large cations (08.AD)

Code

08.AD.50

Dana

Major class

phosphates, arsenates, vanadates (VII)

Class

anhydrous phosphates (38)

Type

A+ XO4 (38.04)

Group

Monazite Group (Monoclinic: P21/n) (38.04.03)

Code

38.04.03.08

Phase type

crystalline

Crystal system

monoclinic

Crystal class

prismatic

Crystal class symbol

2/m (C2h)

Crystal spacegroup

P2(1)/c

Refringence type

biaxial

Refringence sign

positive

Dispersion V

r > v or r < v

Diaphaneity

transparent to subtranslucent

Luster

adamantine

Links

• MinDat: Monazite-(Gd)