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Main page » Catalogue » Crystals and Rough » Tourmaline » Schorl » Schorl Crystal with Apatite & Spessartine



Schorl Crystal with Apatite & Spessartine


Product No.: js10-018



 
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
Schorl Crystal  with Apatite & Spessartine
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Schorl Crystal with Apatite & Spessartine

 

 

Mineral:
Tourmaline, Variety: Schorl / Apatite: Fluorapatite / Mica: Muscovite / Garnet: Spessartite / Feldspar, Plagioclase: Albite
Chemical Formula:
NaFe3+2Al6(BO3)3[Si6O18](OH)3(OH) / Ca5(PO4)3F / KAlSi3O8 / KAl2(Si3Al)O10(OH,F)2 / Mn2+3Al2[SiO4]3 / NaAlSi3O8KAl2(Si3Al)O10(OH,F)2 /
Size:
41,6 x 26,4 x 19,7 mm
Weight:
171,5 ct or 34,3 g
Transparence:
opaque - transparent
Quantity:
1
Origin:
Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan

Here you get a nice paragenesis: advantage schorl crystal, cleavelandite, apatite, muscovite and tiny spessartine crystals. The cleavelandite shows a fissure, this is evidence for pre-tectonic growth, the schorl crystal healed again while the cleavelandite kept a small gap. The pinkish apatite shows no damage at all and is hosting two tiny spessartine crystals at both ends. The termination of the schorl crystal is composed out of thousands of tiny needle-like crystals and gives the crystal head a velvet like appearance. very fine paragenesis from the Shigar Valley!