Teufelsmühle, Habach valley, Hohe Tauern, Salzburg, Austria

Ca₅(PO₄)₃(OH,F,Cl)

Crystal System: hexagonal
Colour: colourless, white, grey, yellow, green, violet, purple, red, brown, blue, pink or brown 
Lustre: vitreous, sub-vitreous, resinous, waxy, greasy
Habitus: tabular to prismatic hexagonal
Hardness: 5
Fracture: conchoidal, sub-conchoidal, fibrous or irregular/uneven
Cleavage: indistinct
Density: 3.10-3.25 g/cm³ 
Origin and geological occurrence: apatite group minerals are accessory minerals widespread in several geological environments, from magmatic to metamorphic to sedimentary settings
Mindat link

Smorf link

Samples:

8.1 Apatite Apatite, hexagonal prismatic crystals, greenish in color. #phosphates vanadates

8.2 Apatite Apatite, hexagonal tabular crystals associated with sulfides. Panasqueira, Portugal. #phosphates vanadates