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Ramsdellite & Marcasite

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PAV900800

Ramsdellite & Marcasite

New Discovery

Description Tabs

Description
Locality: 
Palhal Mine, Branca, Albergaria-a-Velha, Aveiro District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.6 cm
Description

A new discovery at Palhal Mine!

Deep grey ramsdellite with marcasite.

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

Ramsdellite

Formula: 
Mn4+O2
Strunz: 
4.DB.15a
Crystal System: 
Orthorhombic
Hardness: 
3.0
Type Locality: 
Lake Valley District, Sierra Co., New Mexico, USA

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5