Grandaite

Overview

Sr2Al(AsO4)2(OH)
Fluorescence: none	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	4.378 g/cc
Hardness - Mohs	Grandaite - 6.0-6.5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	orange, pink, brown
Streak	red brown

Crystal Properties

Property	Value
Crystal structure	monoclinic -
Cleavage	none
Tenacity	brittle
Fracture	uneven
Luster	vitreous, waxy

Similar Minerals

Dana number has not been assigned at this time.

Nickel-Strunz Number : 08.BG.05

Group : 08

Subgroup : BG

Nickel-Strunz Number	Mineral Name	Formula
08.BG.05	arsentsumebite	Pb2Cu(AsO4)(SO4)(OH)
08.BG.05	brackebuschite	Pb2(Mn,Fe+2)(VO4)2(OH)
08.BG.05	calderónite	Pb2Fe+3(VO4)2(OH)
08.BG.05	grandaite	Sr2Al(AsO4)2(OH)
08.BG.05	tokyoite	Ba2Mn(VO4)2(OH)
08.BG.05	tsumebite	Pb2Cu(PO4)(SO4)(OH)

Specimens

Localities

Uses