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Minerals - Hydroxylherderite | TerraCollect

Mineral - Hydroxylherderite

HydroxylherderiteCaBe(PO₄)(OH,F)

Chemical Properties

Mineral Class

Phosphates

Toxicity

none

Formula

CaBe(PO₄)(OH,F)

Unit Cell

Physical Properties

Hardness

5 - 5.5

Streak

white

Density

Normal (2-3,5)

Optical Properties

Color

browngrayyellowgreenbluevioletcolorless

Birefringence

Luster

Vitreous,

Resinous

Transparency

Pleochroism

Geomineralogical Properties

Cleavage

Fracture

Tenacity

Crystal System

monoclinic

Point Group

Space Group

Habit

prismatic, tabular

Formation

Magmatisch, (Pegmatite)

Paragenesis

Twinning

Rarity

Very rare

Synonyms

Hydroxylherderite