Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Hellandite & Pyrochlore

Views:
Watches:
CHP979789

Hellandite & Pyrochlore

Classic Locality

Description Tabs

Description
Locality: 
Vetralla, Vico Lake, Viterbo Province, Lazio, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1.1 × 0.8 cm
Description

specimen with a very nice group of yellow crystals of hellandite with a red crystal of pyrochlore.

c. 6413

Mineral Data
What's on the rock

Hellandite

Synonym Of: 

Hellandite-(Ce)

Formula: 
(Ca,REE)4Ce2Al(Be,Li)2-xB4Si4O22(OH)2
Strunz: 
9.DK.20
Hardness: 
0.0

Hellandite-(Y)

Formula: 
(Ca,REE)4Y2Al(Be,Li)2-xB4Si4O22(OH)2
Strunz: 
9.DK.20
Hardness: 
5.5

Pyrochlore

Synonym Of: 

Pyrochlore Group

Formula: 
A2Nb2(O,OH)6Z
Strunz: 
4
Hardness: 
5 - 5.5
Group Parent: 
Pyrochlore Group

Seller Information

Payment options: offline, paypal_wpp, paypal_wps