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Jasmundite In Portlandite

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PJM113329

Jasmundite In Portlandite

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Description
Locality: 
Caspar Quarry, Bellerberg, Ettringen, Eifel, Mayen-Koblenz, Rhineland-Palatinate, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 1.8 × 1.8 cm
Description

Small spherical  crystallised aggregates of jasmundite, zoned with reddish brown cores and dark green to black rims, in an off white portlandite matrix

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

Portlandite

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

Seller Information

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