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Marinellite

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JYJ738991

Marinellite

Description Tabs

Description
Locality: 
Sacrofano Caldera, Roma Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.5 × 2.3 cm
Description

Pale purplish marinellite in cavities, large crystals for this species. 

 

Mineral Data
What's on the rock

Marinellite

Formula: 
(Na,K)42Ca6(Al6Si6O24)6(SO4)8Cl2·3H2O
Strunz: 
9.FB.05
Hardness: 
5.5 - 0.0
Streak: 
white
Type Locality: 
Sacrofano, Sacrofano Caldera, Rome Province, Latium, Italy
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