Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Nelenite & Genthelvite

Views:
Watches:
UVM647306

Nelenite & Genthelvite

Rare Mineral

Description Tabs

Description
Locality: 
Huanggang Mine, Hexigten Banner, Chifeng City, Inner Mongolia, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.4 × 1.2 cm
Description

Tan rosettes of nelenite, rich on calcite matrix, with a single tetrahedral microcrystal of genthelvite in association.

Mineral Data
What's on the rock

Nelenite

Formula: 
(Mn,Fe)16(Si12O30)(OH)14[As3+3O6(OH)3]
Strunz: 
9.EE.15
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Trotter Mine (Lehigh Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Genthelvite

Formula: 
Zn4(Be3Si3O12)S
Strunz: 
9.FB.10
Hardness: 
6.0 - 6.5
Type Locality: 
West Cheyenne Canon, Cheyenne District (St. Peters Dome District), El Paso Co., Colorado, USA

Seller Information

Payment options: offline, paypal_wpp, paypal_wps