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Quartz & Pyrite & Calcite Psm Fossil

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UMM831040

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: 
4.5 × 4.5 × 2.5 cm
Largest Crystal: 
1.00cm
Description

This is a fossil sea urchin. It consists of chalcedony, calcite and pyrite. The skin of the sea urchin is still preserved. The age of the fossil is about 75 million years. The heart shape of these sea urchins is very rare. This species is now extinct.

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

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Es gelten die allgemeinen Geschäftsbedingungen nach deutschem BGB.