Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Franklinite & Willemite

Views:
Watches:
CSW127138

Franklinite & Willemite

Type Locality

Description Tabs

Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 2.9 × 1.6 cm
Description

A classic 'cookie dough' specimen with dark grey franklinite (TL) and orange willemite. Under short wave UV light the willemite produces a vibrant green colour.

Mineral Data
What's on the rock

Franklinite

Formula: 
Zn2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Colour: 
Black
Type Locality: 
Sterling Mine, Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA

Willemite

Formula: 
Zn2SiO4
Strunz: 
9.AA.05
Hardness: 
5.5
Streak: 
White
Type Locality: 
Vieille Montagne (Altenberg; Kelmisberg), Moresnet, Kelmis, Plombières-Vieille Montagne District (Plombières-Altenberg), Verviers, Liège Province, Belgium

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Thank you for viewing my auctions. It goes without saying that maintaining high standards in both specimen quality and customer service are extremely important to me. If for any reason you are not happy with any aspect of your transaction then please let me know as soon as possible, ideally within 1 week of receiving your specimen. I will happily do all in my power to resolve the situation to your satisfaction. If your specimen is damaged upon delivery simply send me some photos to verify this and I'll provide you with a full refund or a replacement specimen, whichever you prefer.