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Quartz With Petroleum

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PDM751766

Quartz With Petroleum

New Discovery

Description Tabs

Description
Locality: 
Dakhlet Nouadhibou Region, Mauritania
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.4 × 1.3 cm
Description

This is from a new beautiful find in the West region of Mauritania, coming directly from a local miner. This is a typical example quartz of this find: gemmy Herkimer-type diamond quartz, smaller than 3cm, doubly-terminated and floater crystal, rich in black flattened inclusions of pyrobitumen, mostly parallelly oriented to the rhombohedral faces that are not fluorescent. However it does have some tiny petroleum inclusions that are UV fluorescent white. It is in good condition, but almost all of them present chippings in different degree, probably because locals are not use to manage specimens for collectors.

Found in October 2019.

Mineral Data
What's on the rock

Quartz

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

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