Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Munakataite & Ktenasite

Views:
Watches:
SMM820809

Munakataite & Ktenasite

Description Tabs

Description
Locality: 
Baccu Locci Mine, Villaputzu, Cagliari Province, Sardinia, Italy
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.5 × 1.5 cm
Description

Electric-blue, silky, crystalline tufts of munakataite on dark schists matrix, from old material collected many years ago and only recently analyzed, a new-entry, which is added to its list of seleniferous species for which it is famous this outstanding Sardinian locality. The crystal groups green are ktenasite and radial blue serpierite. Very good specimen for the locality.

Boxed with Label
Mineral Data
What's on the rock

Munakataite

Formula: 
Pb2Cu2(Se4+O3)(SO4)(OH)4
Strunz: 
7.BC.65
Hardness: 
2.5 - 0.0
Type Locality: 
Kato mine, Munakata, Fukuoka prefecture, Kyushu Region, Japan

Ktenasite

Formula: 
Zn(Cu,Zn)4(SO4)2(OH)6·6H2O
Strunz: 
7.DD.20
Crystal System: 
Monoclinic
Hardness: 
2.0 - 2.5
Type Locality: 
Jean Baptiste Mine, Kamariza Mines (Kamareza Mines), Agios Konstantinos [St Constantine] (Kamariza), Lavrion District Mines, Lavrion District (Laurion; Laurium), Attikí Prefecture (Attica; Attika), Greece

Seller Information

Payment options: offline, paypal_wpp, paypal_wps