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Opal With Fossil Gastropod In Chert

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PDM935374

Opal With Fossil Gastropod In Chert

Fluorescent

Description Tabs

Description
Locality: 
Seseña, Toledo, Castilla La Mancha, Spain
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 3.4 × 3 cm
Weight: 
34.00gr
Description

Laminated chert with bands of white and black colour, that present some fossils of gastropods. One external layer is white opal with a very strong green fluorescence under short UV waves.

Found in 2008.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Streak: 
White

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