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Fluorapatite On Microcline & Quartz

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CLB513141

Fluorapatite On Microcline & Quartz

ex collection Dr. F. Krantz Rheinisches Mineralien-Contor Bonn
With Antique Label

Description Tabs

Description
Locality: 
Aguanga Mountain, Oak Grove, San Diego County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.4 × 6.7 × 4.2 cm
Description

Pale lavender colored, twinned fluorapatite crystals on beige microcline on colorless quartz.

Very old Krantz label. End of 19th century/early 20th (1890 on).

Mineral Data
What's on the rock

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Labels
Label Images - only: Fluorapatite On Microcline & Quartz

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