Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Roscherite & Bobdownsite

Views:
Watches:
BCK538160

Roscherite & Bobdownsite

Rare Mineral

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1.2 × 0.8 cm
Description

You are bidding on a fine small sample of red roscherite on numerous bobdownsite crystals with blades of fairfieldite and tiny sprays of co3-apatite. My last good piece!

Mineral Data
What's on the rock

Roscherite

Formula: 
Ca2Mn2+5Be4(PO4)6(OH)4·6H2O
Strunz: 
8.DA.10
Crystal System: 
Monoclinic Tabular crystals or platy aggregates
Hardness: 
4.5 - 0.0
Streak: 
White
Type Locality: 
Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Bobdownsite

Formula: 
Ca9Mg(PO4)6(PO3F)
Group Parent: 
Whitlockite Group
Strunz: 
8.AC.45
Hardness: 
5.0 - 0.0
Streak: 
White
Type Locality: 
Big Fish River, Dawson Mining District, Yukon Territory, Canada

Seller Information

Payment options: offline, paypal_wpp, paypal_wps