Best viewed using Adobe Flash Player (8 or higher).
Download here

Fluorapatite

Fluorapatite

MNHN N°178.69

visu_548 infos
FROM : Corro del Mercado, Durango, Mexico
SIZE : 3.7 x 1.5 x 1.1 cm

general description

This sample is an isolated crystal of fluorapatite. The crystal is hexagonal and has a pyramidal-shape termination. It is bright yellow and has a gemmeous quality.

The whole sample measures 3.7 x 1.5 x 1.1 cm and comes from the mineral deposit of Corro del Mercado in Mexico. It was acquired thanks to the donation of Mr Vimmer in 1978.

It is kept today in the storage rooms of the collections of the Muséum national d’Histoire naturelle (i.e., not yet displayed to the public).

Photography: Louis-Dominique Bayle, © MNHN.
The Species page
Identity card
SPECIE : Fluorapatite

HISTORY : Nom donné en raison de sa composition chimique, c'est le pôle fluoré de l'apatite
Espèce décrite en 1860 par Karl Friedrich Rammelsberg (1813-1899), professeur de Chimie à l'Université de Berlin, minéralogiste allemand
Type-locality: Greifenstein, Saxe, Allemagne

ANCIENT NAME : Apatite (CaF)

CHEMICAL FORMULA : Ca5 (PO4)3 F
CRYSTAL SYSTEM : Hexagonal
COLOR : Incolore, blanc, violet, bleu, rose, jaune, brun
DIAPHANIETY : Transparent à translucide
LUSTER : Vitreux à sub-résineux
STREAK : Blanc
MORPHOLOGY : Cristaux hexagonaux, prismatiques, allongés
HARDNESS : 5
DENSITY : 3,18

CHEMICAL CLASS : VIII - Phosphates
GROUP : Fluorapatite
STRUNZ CLASS BEFORE 2001 : 7/B.39-10
STRUNZ CLASS AFTER 2001 : 8.BN.05
back
9
PREVIOUS
CLOSE

Mineralogy

Explore the Mineral Treasures of the Muséum
Welcome to
the Virtual Gallery of Mineralogy

This site was made possible thanks to support from TOTAL

VIEW FULL SCREEN
VERSION FRANÇAISE