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Cleiophane

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LMB170627

Cleiophane

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Description
Locality: 
Sterling Mine, Ogdensburg, Sussex County, New Jersey, United States of America
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 3 × 3 cm
Description

A deliberately small chunk of massive cleiophane (aka Fe free sphalerite). Small because the nearly colorless, silvery looking, cleiophane is backed by massive, moderately magnetic, franklinite – very heavy.

The UV photo is an attempt to show the LW response. But it is a time exposure. To the naked eye, the cleiophane does not look that bright with my UV source. However, with a better (“modern”) source it will probably look at least that bright. Regarding the color, the photo seems to be a fair approximation of what I see (except for some of the blue areas). But most digital cameras don’t know what to do with color balance for fluorescents. I used auto white balance, and seem to have lucked out.

Weight 3.4 oz.

Mineral Data
What's on the rock

Cleiophane

Variety Of: 

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Hardness: 
3.5 - 4.0
Formula: 
ZnS
Hardness: 
0.0
Type Locality: 
Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
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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