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Celestine & Strontianite

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LMB185433

Celestine & Strontianite

Fluorescent

Description Tabs

Description
Locality: 
Meckley's Quarry, Mandata, Pennsylvania, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 6.2 × 3.2 cm
Largest Crystal: 
0.80cm
Weight: 
100.00gr
Description

Pale blue celestine with strontianite. Under SW UV, the celestine has a pale greenish-white response and the strontianite has a pale blueish-white response. The colors in the UV photo are approximate, but the response is moderately bright with a 6W source. All of the white areas fluoresce, but not everything was properly illuminated by the UV source when making the photo.

The Celestine crystals have very complex surfaces, probably due to etching (and perhaps secondary growth). They look rough, but they are not broken.

The close-up photo (FOV 5.7 x 4.3 mm) attempts to show some of this complexity, but the reflections used to bring out the structure obscure the true color of the crystals, which is still pale blue.

Single item shipping weight (no case) 5.5 oz. For shipments outside the USA, up to a total weight < 8 oz (225g), this can be combined with items from this or other auctions for the same postage.

Within the USA, postage now varies by destination. For total weights up to 13 oz, it ranges from $5.25 to $7.00 (including packing etc). Above 13 oz (up to 16 oz), I will use “own box” Priority Mail. The rate, including packing, varies from $8 to $10.

Mineral Data
What's on the rock

Celestine

Formula: 
SrSO4
Strunz: 
7.AD.35
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Bell's Mill, Bellwood, Blair Co., Pennsylvania, USA...

Strontianite

Formula: 
SrCO3
Strunz: 
5.AB.15
Crystal System: 
Orthorhombic
Hardness: 
3.5
Streak: 
White
Type Locality: 
Strontian, North West Highlands (Argyllshire), Scotland, UK

Current price

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$5
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Shipping Information

Postage Area Price
United States
$5.25
Canada
$11
Europe
$15.25
Rest of World
$15.50

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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