Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Neptunite & Natrolite

Views:
Watches:
VCV151400

Neptunite & Natrolite

Description Tabs

Description
Locality: 
Benitoite Mine, San Benito County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 2.6 × 1.7 cm
Largest Crystal: 
0.70cm
Description

Razor sharp, jet black neptunite crystals with mirror lustre on contrasting white natrolite. Super thumbnail from Sen Benito!

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

Natrolite

Formula: 
Na2Al2Si3O10·2H2O
Strunz: 
9.GA.05
Hardness: 
5.0 - 5.5
Streak: 
White
Type Locality: 
Hohentwiel, Singen, Hegau, Baden-Württemberg, Germany
Vic's Vugh Minerals