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Vesuvianite

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MNT134723

Vesuvianite

ex Dr. Hugo Francke, GER
Type Locality

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Description
Locality: 
Monte Somma, Vesuvius, Campania, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4 × 3.5 cm
Description

A very interesting old timer specimen from the end of the 19th century (or early 20th) from the collection of Dr. Hugo Francke (born 1860). Specimens from Francke are not seen very often. This is a classic vesuvianite specimen from the type locality with highly lustrous vesuvianite crystals, one of them hollow like a perimorph and broken open which is noted on the label. A rare italian classic with pedigree.

Mineral Data
What's on the rock

Vesuvianite

Formula: 
(Ca,Na,☐)19(Al,Mg,Fe3+)13(☐,B,Al,Fe3+)5(Si2O7)4(SiO4)10(OH,F,O)10
Strunz: 
9.BG.35
Hardness: 
6.5
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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Thank you for your interest in my offers! Payment is possible via Paypal, bank transfer or cash if you pick up the item(s) personally. Bank data will be provided after settling the auction/transaction(s) if needed.

In case you are not happy with a specimen, you may send it back within 4 weeks. After receipt, i will refund the price minus shipping costs. Please inform me before sending an item back. If you have any questions (or maybe complaints) please feel free to contact me.

Best regards Roger

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