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Mazzite-Mg Offretite & Phillipsite

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ZLT1161936

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Description
Locality: 
Mont Semiol, Châtelneuf, Loire, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1.5 × 1.2 cm
Description

Small basaltic rock matrix with several sprays of acicular mazzite-Mg, some offretite and phillipsite. Self  collected 1981. FOV 1.7,1,7 and 1.3 mm. One picture shows tha mazzite-Mg is formed bevor phillipsite.

Mineral Data
What's on the rock

Mazzite-Mg

Formula: 
(Mg,K,Ca)5(Si26Al10)O72·28H2O
Strunz: 
9.GC.20
Hardness: 
4.0 - 5.0
Colour: 
Colorless
Streak: 
White
Type Locality: 
Mont Semiol (Mont Semiouse; Mont Simiouse), Châtelneuf, Saint-Georges-en-Couzan, Loire, Rhône-Alpes, France

Offretite

Formula: 
KCaMgAl5Si13O36·16H2O or near
Strunz: 
9.GD.25
Hardness: 
4.0 - 4.5
Type Locality: 
Mont Semiol (Mont Semiouse; Mont Simiouse), Châtelneuf, Saint-Georges-en-Couzan, Loire, Rhône-Alpes, France

Phillipsite

Synonym Of: 

Phillipsite-Ca

Formula: 
(Ca0.5,K,Na,Ba0.5)4-7[Al4-7Si12-9O32 . 12H2O
Strunz: 
9.GC.10
Hardness: 
4.0 - 5.0

Phillipsite-K

Formula: 
(K,Na,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32] . 12H2O
Strunz: 
9.GC.10
Hardness: 
4.0 - 5.0

Phillipsite-Na

Formula: 
(Na,K,Ca0.5,Ba0.5)4-7[Al4-7Si12-9O32]·12H2O
Strunz: 
9.GC.10
Hardness: 
4.0 - 5.0
Group Parent: 
Zeolite Group

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Shipping Information

Postage Area Price
Germany Tracked : 5.5
€5.50
EU Tracked Zone 1 € 9 Zone 2: €15
€9
Europe non EU (GB, CH, NO) tracked 20 €
€20
World CDN AU NZ Japan up to 2 kg Tracked : 28
€28
USA up to 2 kg Tracked : 26
€26
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Specimens are shipped within one week after payment by a carrier selected from the seller, with tracking,  but no insurance,  carfully packed.  Shipment is made on risk of the buyer for loss, theft and damage,  usual as small packet. Due to the policy of Carriers tracking info may be delayed until the shipment arrives at the destination country.

DHL dos again issue acknowledgement of receipt for small packets at post office.

If you wish insured shipment please quote this early. Outside EU it may effect customs fees.

 

Within germany hermes ships for 4.8 €

Cost: EU specimens fitting in 25 mm MM Boxes: 8 €

EU up to 2 kg: 12,00 including tracking and packing

         Norway, Switzerland: 17,00 including tracking and packing.

         World: 20.50 € including tracking and packing.

Several orders can be consolidated for one shipment in order to save postage.

Please do not delay payment for consolidated  shipment.

 

 

 

 

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