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Porphyry

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HAN804746

Porphyry

Description Tabs

Description
Locality: 
Oslo, Norway
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.9 × 4.8 × 1.2 cm
Weight: 
26.00gr
Description

Known as Rhombic Porphyry with colour zoned  porphyritic rhombus-shaped feldspar phenocrysts embedded in a very fine-grained red-brown matrix

Found as a glacial erratic pebble along the coastline in Jutland, Denmark. Transported southwards by glaciers during the ice age  these stones formed 295 t0 275 million years ago in the Osöo area.

Mineral Data
What's on the rock

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

After a sale we expect to receive the payment with Pay Pal within 48 hours. You can return the goods within 14 days of receiving them by registered priority mail with tracking number. Buyer pays the costs of the return shipping