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Willemite Franklinite & Rhodonite

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LMB188692

Willemite Franklinite & Rhodonite

Fluorescent

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Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Size Range: 
Cabinet (10-18 cm)
Size: 
6.5 × 10 × 8 cm
Description

This is not for the faint of heart! It is a very sizeable chunk of apple green (and, of course, highly fluorescent) willemite. Nice to have – but it weighs almost 33 oz.

There is also a very small amount of rhodonite, the most interesting of which is shown in the fourth photo (FOV7.0 x 4.6 mm). However, according to Franklin experts, these are not euhedral rhodonite xls, but rather casts of franklinite xls. There are no euhedral franklinite xls exposed. At best, there are some very smooth areas that may be partial faces. You will not get euhedral franklinite by breaking up this specimen.

Single item shipping weight 38 oz. Actual postage according to total weight of items

Mineral Data
What's on the rock

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

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

Rhodonite

Formula: 
MnSiO3
Strunz: 
9.DK.05
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.5
Streak: 
White
Type Locality: 
Kaiser Franz Mine (König Wilhelm Mine), Schävenholz (Schebenholz; Schäbenholz), Elbingerode, Harz, Saxony-Anhalt, Germany
LMB minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

In addition to the standard terms and conditions, please note the following. Almost all IDs are visual. While in most cases the ID is obvious, there may be cases where it is not. If you are doubtful about a particular ID, please ask for more information. Or do not bid! Similarly, if you are not sure that the specimen meets your criteria, do not bid. I have tdone the best I can with the photos. Nevertheless, if you are not happy with a specimen for any reason, I will refund the bid price – but not the shipping costs (unless the fault is clearly mine) – if the specimen is returned. This policy applies even if analysis of the specimen shows that my ID was incorrect. When in doubt, ask - or don’t bid. Note that most crystals at MSH and Varennes are micros - even if on large specimens. Please pay attention to the stated sizes. Any customs duties, fees etc. are the responsibility of the buyer.

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