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Spodumene Apatite Beryl Lepidolite & Elbaite

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SER968725

Spodumene Apatite Beryl Lepidolite & Elbaite

Description Tabs

Description
Locality: 
Haapaluoma Pegmatite, Peräseinäjoki, Seinäjoki, South Ostrobothnia, Finland
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 6.1 × 3.9 cm
Description

a very interesting pegmatite specimen, featuring different specie (see the different arrows in the attached label) like yellow spodumene, red elbaite, beryl var. caesium-beryl and lepidolite too

Mineral Data
What's on the rock

Spodumene

Formula: 
LiAlSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.30
Crystal System: 
Monoclinic
Hardness: 
6.5 - 7.0
Colour: 
colorless, yellow
Streak: 
White
Type Locality: 
Utö Mines, Utö, Södermanland, Sweden

Apatite

Synonym Of: 

Chlorapatite

Formula: 
Ca5(PO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Hardness: 
5.0
Crystal System: 
Hexagonal
Hardness: 
5

Beryl

Formula: 
Be3Al2(Si6O18)
Strunz: 
9.CJ.05
Crystal System: 
Hexagonal
Hardness: 
7.5 - 8.0
Streak: 
White

Lepidolite

Synonym Of: 

Mica Group

Formula: 
KLi2Al(Si4O10)(F,OH)2 to K(Li1.5Al1.5)(AlSi3O10)(F,OH)2
Group Parent: 
Mica
Hardness: 
2.5 - 3.5
Colour: 
Pink, light purple, light rose red
Streak: 
White

Elbaite

Formula: 
Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
Strunz: 
9.CK.05
Hardness: 
7.5
Streak: 
White
Type Locality: 
Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy...