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Umbrianite

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AMM1016317

Umbrianite

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Description
Locality: 
Vispi Quarry, San Venanzo, Terni Province, Umbria, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 2.2 × 1.8 cm
Description

Specimen with rare umbrianite associated with fluor-phlogopite. The umbrianite could be analytically proven as stratified intergrowth with fluor-phlogopite. Main accompanying mineral are elongated whitish kalsilite crystals. In addition, sanidine, leucite, melilite and forsterite is present on the specimen.

Comes with report of analysis.

Mineral Data
What's on the rock

Umbrianite

Formula: 
K7Na2Ca2[Al3Si10O29]F2Cl2
Hardness: 
0.0
Type Locality: 
Vispi Quarry (incl. Celli; Pian di Celle), San Venanzo, Terni Province, Umbria, Italy

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Accepted payment methods: PayPal, bank transfer.

Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.