Apatite |
This is my most recent sample from Emmons Mine, Greenwood, Main. The Apatite is purple and below we have Muscovite
Apatite |
Ca10(Po4)6(OH,F,Cl)2
Apatite |
Apatite is also known as: Hydroxylapatite, Fluorapatite, and Chlorapatite. The mineral was named my the German Geologist, Abraham Gottlob Werner in 1786.
This is at least the fourth sample of Apatite I own and have photographed.
It is the defining mineral for hardness "5" on the Mohs Scale. It will scratch minerals which are 4 and under on the scale. Minerals with are 6 and higher will scratch it. The hardest, "10" is diamond and the softest, "1" is talc. It is a major component of tooth enamel and bone. It is used in the manufacture of fertilizer.
Thanks to Wikipedia and Mindat.org for the information provided.
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