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Quartz & Pyrite & Calcite Psm Fossil

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UMM823270

Quartz & Pyrite & Calcite Psm Fossil

Description Tabs

Description
Locality: 
Höver Quarry, Ilten, Sehnde, Hanover, Lower Saxony, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.5 × 5 cm
Weight: 
205.00gr
Description

This is a fossil sea urchin. The fossil consists of chalcedony, aragonite and pyrite. The core of the sea urchin consists of chalcedony. The skin of the sea urchin is still preserved. This consists of aragonite. On the body are a few small pyrite crystals. The age of the fossil is about 75 million years.

Boxed with Label
Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Seller Information

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Seller's terms and conditions

Es gelten die allgemeinen Geschäftsbedingungen nach deutschem BGB.