Switch currency

Heulandite & Celadonite

Views:
Watches:
CFL1136994

Description Tabs

Description
Locality: 
Sangamner, Ahmednagar District, Maharashtra, India
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.7 × 3.5 cm
Description

Classic specimen of celadonite rich heulandite crystals.  Ex-Horvath collection specimen (label).

Mineral Data
What's on the rock

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

Celadonite

Formula: 
K(Mg,Fe2+)Fe3+(Si4O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.0
Type Locality: 
Planitz, Zwickau, Saxony, Germany

Current price

$

Starting price

$10
(reserve not met) (reserve met)

You are the highest bidder

You have been outbid

Proxy bid set
$
Delayed bid pending at
$
Delayed Bid is Outbid

Your maximum bid $:

(Enter or more)

Start 18 Jan 18:00
End
No. of bids view history

Shipping Information

Postage Area Price
Canada
$14
USA
$14
Europe
$15
Rest of World
$17

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Collection Arkane accept payments by Paypal and direct email messages.

Bid History

Full bid history