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Ferrierite

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FRR203592

Ferrierite

Description Tabs

Description
Locality: 
Monastir, South Sardinia Province, Sardinia, Italy
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 5.4 × 4 cm
Largest Crystal: 
0.80cm
Description

Brown spherical aggregates of Mg-ferrierite crystals, on Matrix, with minor calcite. From an occurrence of about a decade ago, never repeated since. Ferrierite from this quarry has been indicated as the best in the world (Mineralogical Record #5/2006).

Mineral Data
What's on the rock

Ferrierite

Synonym Of: 

Ferrierite-K

Formula: 
(K2,Na2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O
Strunz: 
9.GD.50
Hardness: 
3.0 - 3.5

Ferrierite-Mg

Formula: 
(Mg,Na2,K2,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O
Strunz: 
9.GD.50
Hardness: 
3.0 - 3.5

Ferrierite-Na

Formula: 
(Na2,K2,Mg,Ca)3-5Mg[Al5-7Si27.5-31O72]·18H2O
Strunz: 
9.GD.50
Hardness: 
3.0 - 3.5
Group Parent: 
Zeolite Group

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

The item can be returned for whichever reason, provided its original conditions, and within 10 days from its delivery to the Buyer. In the case of returning, the Buyer will be entitled to the refund of the item price; shipping costs will remain at the Buyer's charge in any case.