Agardite-(Y)

Overview

(Y,Ca)Cu6(AsO4)3(OH)6·3(H2O)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3.66-3.72 g/cc
Hardness - Mohs	Agardite-(Y) - 3.0-4.0  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	green, blue
Streak	greenish white

Crystal Properties

Property	Value
Crystal structure	hexagonal - dipyramidal
Cleavage	none
Tenacity	-
Fracture	conchoidal
Luster	vitreous, glassy

Similar Minerals

Dana Number : 42.05.01.02

Class: 42

Group: 42.05

Subgroup: 42.05.01 - mixite

Dana Number	Mineral Name	Formula
42.05.01.01	mixite	BiCu6(AsO4)3(OH)6·3(H2O)
42.05.01.02	agardite-(Y)	(Y,Ca)Cu6(AsO4)3(OH)6·3(H2O)
42.05.01.02a	agardite-(La)	(La,Ca)Cu5(AsO4)3(OH)6·3(H2O)
42.05.01.02b	agardite-(Nd)	(Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6·3(H2O)
42.05.01.02e	agardite-(Ce)	(Ce,Ca)Cu6(AsO4)3(OH)6·3(H2O)
42.05.01.03	goudeyite	(Al,Y)Cu6(AsO4)3(OH)6·3(H2O)
42.05.01.04	zálesiite	(Ca,Y)Cu6((AsO4)2(AsO3OH)(OH)6)·3(H2O)

Nickel-Strunz Number : 08.DL.15

Group : 08

Subgroup : DL

Nickel-Strunz Number	Mineral Name	Formula
08.DL.15	agardite-(Ce)	(Ce,Ca)Cu6(AsO4)3(OH)6·3(H2O)
08.DL.15	agardite-(La)	(La,Ca)Cu5(AsO4)3(OH)6·3(H2O)
08.DL.15	agardite-(Nd)	(Pb,Nd,Y,La,Ca)Cu6(AsO4)3(OH)6·3(H2O)
08.DL.15	agardite-(Y)	(Y,Ca)Cu6(AsO4)3(OH)6·3(H2O)
08.DL.15	goudeyite	(Al,Y)Cu6(AsO4)3(OH)6·3(H2O)
08.DL.15	mixite	BiCu6(AsO4)3(OH)6·3(H2O)
08.DL.15	zálesiite	(Ca,Y)Cu6((AsO4)2(AsO3OH)(OH)6)·3(H2O)

Specimens

Localities

Uses