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Chalcedony Psm Apophyllite With Stilbite & Epidote

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CYM716751

Chalcedony Psm Apophyllite With Stilbite & Epidote

Description Tabs

Description
Locality: 
Arrondissement Diakon, Cercle de Bafoulabé, Kayes Region, Mali
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4 × 3 cm
Weight: 
84.00gr
Description

Amazing Chalcedony pseudomorphose aster Apophyllite with Stilbite and Epidote from Mali.
An interesting combo specimen from rare locality, amazing specimen complete in 360 degrees set on custom acrylic base.
No damage to report! amazing shape and color contrast.

#T-3.9

Mineral Data
What's on the rock

Chalcedony

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Kadıköy (Chalcedon), Istanbul Province, Marmara Region, Turkey

Apophyllite

Synonym Of: 

Fluorapophyllite-(K)

Formula: 
KCa4(Si8O20)(F,OH)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.5 - 5.0

Fluorapophyllite-(Na)

Formula: 
NaCa4(Si8O20)F·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Hydroxyapophyllite-(K)

Formula: 
KCa4(Si8O20)(OH,F)·8H2O
Strunz: 
9.EA.15
Hardness: 
4.0 - 5.0

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...
Piatek Minerals

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

YOUR 100% SATISFACTION GUARANTEE. If you are not happy with your purchase or the specimen is broken during the shipping we will accept return. Up to 14 days after you received the item please e-mail us to arrange the refund. Upon auction close, you will be sent an invoice indicating final value of the specimen. Payments must be made within 7 days of auction close. If you would like to purchase multiple items past our 7 day payment period or would like your package held for any reason please hold off on payment until you are ready to have your package shipped to you. We ask that you email to inform us that you are still bidding or your payment is going to be delayed. Communication is paramount! Payment can be made through Paypal or Bank transfer