Herderite

Overview

CaBe(PO4)F
Fluorescence: purple under SW and LW, orange under x-rays	Not Radioactive	Magnetic: no

Description

Physical Properties

Property	Value
Density	3 g/cc
Hardness - Mohs	Herderite - 5  10 Diamond 9 Carborundum 8 Topaz 7 Quartz 6 Orthoclase 5 Apatite 4 Fluorite 3 Calcite 2 Gypsum 1 Talc
Color	light green
Streak	white

Crystal Properties

Property	Value
Crystal structure	monoclinic - prismatic
Cleavage	indistinct
Tenacity	-
Fracture	sub-conchoidal
Luster	vitreous, glassy

Similar Minerals

Dana Number : 41.05.04.01

Class: 41

Group: 41.05

Subgroup: 41.05.04 - herderite

Dana Number	Mineral Name	Formula
41.05.04.01	herderite	CaBe(PO4)F
41.05.04.03	väyrynenite	MnBe(PO4)(OH,F)

Nickel-Strunz Number : 08.BA.10

Group : 08

Subgroup : BA

Nickel-Strunz Number	Mineral Name	Formula
08.BA.10	herderite	CaBe(PO4)F

Specimens

Localities

Uses