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Jasmundite & Ettringite & Ellestadite & Portlandite

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SHS755869

Jasmundite & Ettringite & Ellestadite & Portlandite

Description Tabs

Description
Locality: 
Bellerberg, Ettringen, Eifel Mountains, Rhineland-Palatinate, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.5 × 0.6 cm
Description

Dark green jasmundite and ettringie and ellestadite and portlandite in martix

Mineral Data
What's on the rock

Jasmundite

Formula: 
Ca11(SiO4)4O2S
Strunz: 
9.AG.70
Hardness: 
5.0
Type Locality: 
Ettringer Feld, Western lava flow, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Ettringite

Formula: 
Ca6Al2(SO4)3(OH)12·26H2O
Strunz: 
7.DG.15
Hardness: 
2.0 - 2.5
Type Locality: 
Ettringer Feld, Western lava flow, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Ellestadite

Synonym Of: 

Fluorellestadite

Formula: 
Ca5(SiO4)1.5(SO4)1.5F
Strunz: 
9.AH.25
Hardness: 
4.5

Hydroxylellestadite

Formula: 
Ca5(SiO4)1.5(SO4)1.5(OH)
Strunz: 
9.AH.25
Hardness: 
4.5

Portlandite

Formula: 
Ca(OH)2
Strunz: 
4.FE.05
Hardness: 
2.5 - 3.0
Type Locality: 
Scawt Hill, Larne, Co. Antrim, Northern Ireland, UK