Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Hydroxylapatite from
Freßnitzkogel, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria


Classification
Species:Hydroxylapatite
Formula:Ca5(PO4)3(OH)
Comments:finely crystalline crusts on quartz and lazulite, product of supergeneous alteration
Colour:white
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:SEM-EDS
Infrared Spectroscopy
Associated Minerals:
Associates:Lazulite
Quartz
Data
Mineral Data:Click here to view Hydroxylapatite data
Locality Data:Click here to view Freßnitzkogel, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
Data Identifiers
Mindat Occurrence Record ID:295299
Long-form Identifier:1:3:295299:4
GUID (UUID V4):0
Nearest other occurrences of Hydroxylapatite
5.9km (3.7 miles) ⓘHöllkogel, Alpl, Freßnitzgraben, Krieglach, Bruck-Mürzzuschlag District, Styria, Austria
72.8km (45.2 miles) ⓘHoller quarry, Badersdorf, Oberwart District, Burgenland, Austria
79.6km (49.5 miles) ⓘLasselsberger quarry, Pöchlarn, Melk District, Lower Austria, Austria
84.0km (52.2 miles) ⓘMarchart quarry, Rosenthal, Karlstetten, Sankt Pölten-Land District, Lower Austria, Austria
85.8km (53.3 miles) ⓘSpodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Carinthia, Austria
96.4km (59.9 miles) ⓘAlbersee, Illmitz, Neusiedl am See District, Burgenland, Austria
98.4km (61.1 miles) ⓘSüdlicher Stinkersee, Illmitz, Neusiedl am See District, Burgenland, Austria
References
 
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