Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Pentagonite On Heulandite

Views:
Watches:
HEM600407

Pentagonite On Heulandite

Type Locality

Description Tabs

Description
Locality: 
Pune (Poonah), Maharashtra, India
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.6 × 1.8 cm
Weight: 
13.00gr
Description

Two pentagonite groups on glassy heulandite matrix.

Mineral Data
What's on the rock

Pentagonite

Formula: 
Ca(VO)Si4O10·4H2O
Strunz: 
9.EA.55
Hardness: 
3.0 - 4.0
Type Locality: 
Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA

Heulandite

Synonym Of: 

Heulandite-Ba

Formula: 
(Ba,Ca,K,Na,Sr)5Al9Si27O72·22H2O
Strunz: 
9.GE.05
Hardness: 
3.5

Heulandite-Ca

Formula: 
(Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.5 - 4.0

Heulandite-K

Formula: 
(K,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5

Heulandite-Na

Formula: 
(Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5

Heulandite-Sr

Formula: 
(Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36·12H2O
Strunz: 
9.GE.05
Hardness: 
3.0 - 3.5
Hardness: 
3 - 3.5
Colour: 
White
Streak: 
White

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Goods are shipped worldwide by courier

Goods will be shipped on receipt of payment.We accept payment by paypal.

Import duties, taxes, and charges will be borne by the buyer, these charges are the buyer's responsibility