Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Heulandite-Na

Views:
Watches:
SMM737682

Heulandite-Na

Description Tabs

Description
Locality: 
San Marco Hill, Gambellara, Vicenza Province, Veneto, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Very good specimen, with several crystals in more vugs of the volcanic matrix, of one of less common members of the "heulandite subgroup".

Boxed with Label
Mineral Data
What's on the rock

Heulandite-Na

Formula: 
(Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5
Streak: 
White
Type Locality: 
Unnamed pit, Challis, Bay Horse District, Custer Co., Idaho, USA

Seller Information

Payment options: offline, paypal_wpp, paypal_wps