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Parasymplesite & Gypsum

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PAV902181

Parasymplesite & Gypsum

Classic Locality

Description Tabs

Description
Locality: 
Palhal Mine, Branca, Albergaria-a-Velha, Aveiro District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.9 × 1.7 cm
Description

A really nice parasymplesite sample from Palhal Mine!

Several green 'urchins' where the parsymplesite crystals are passing through gypsum crystals. A rarity!

Collected: 
2009
Boxed with Label
Mineral Data
What's on the rock

Parasymplesite

Formula: 
Fe2+3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
2.0
Type Locality: 
Kiura mine (Shin-Kiura mine; Kiura emery mine), Saiki City, Oita prefecture, Kyushu Region, Japan

Gypsum

Formula: 
CaSO4·2H2O
Strunz: 
7.CD.40
Hardness: 
2.0
Streak: 
White.