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Hodgkinsonite & Pyrochroite

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LMB169495

Hodgkinsonite & Pyrochroite

Franklin Mineral Museum ex Thompson

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Description
Locality: 
Franklin Mine, Franklin, Sussex County, New Jersey, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.8 × 4.3 × 0.8 cm
Description

This pinkish hodgkinsonite, while cleartly from Franklin, is more like hodgkinsonite from Sterling hill. The color is pale and the xls are inter-grown and indistinct. Nonetheless, it is hodgkinsonite. Still known only from these two deposits.

As a bonus, there are a few distinct pyrochroite xls (or at least partial xls). The second photo shows the best of these, which appear to have slightly saucer shaped terminations to about 1 mm on edge. The label also lists barite. Probably the white stuff. It should show up via UV, but I didn’t check for it.

Weight 0.7 oz.

Mineral Data
What's on the rock

Hodgkinsonite

Formula: 
Mn2+Zn2(SiO4)(OH)2
Strunz: 
9.AE.20
Hardness: 
4.5 - 5.0
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Pyrochroite

Formula: 
Mn(OH)2
Strunz: 
4.FE.05
Hardness: 
2.5 - 3.0
Type Locality: 
Pajsberg Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden
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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