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Neptunite

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FRR750504

Neptunite

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Description
Locality: 
California State Gem Mine, San Benito County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.3 × 3.4 cm
Largest Crystal: 
2.70cm
Description

Super lustruous crystals of Neptunite, some of which double terminated, scattered on crossite matrix from the world's most famous locale for this specie.

The crystals look black but reveal a reddish core when backlighted.

Former Dott. Francesco Bedognè collection, with label. The specimen also retains a label of the US dealer Al McGuinness.

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Mineral Data
What's on the rock

Neptunite

Formula: 
Na2KLi(Fe2+,Mn2+)2Ti2(Si8O24)
Strunz: 
9.EH.05
Hardness: 
5.0 - 6.0
Colour: 
Black
Type Locality: 
Narsaarsuk pegmatite (Narssârssuk pegmatite), Narsaarsuk Plateau, Igaliku (Igaliko), Narsaq, Kujalleq, Greenland

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 10 days from its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.