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Tiptopite & Roscherite

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CR1150869

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.5 × 3 cm
Description

Tiptopite is a very rare LiBe-Phosphate first discribed from Tip Top Mine in South Dakota.

This beautiful specimen shows lustrous bundles and sprays of Tiptopite crystals with brown roscherite crystals.

Very rare and nowadays extremely seldom offered.

Mineral Data
What's on the rock

Tiptopite

Formula: 
K2(Na,Ca)2Li3Be6(PO4)6(OH)2·H2O
Strunz: 
8.DA.25
Hardness: 
3.5
Type Locality: 
Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA

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

Current price

$

Starting price

$10
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Start 21 Dec 18:00
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Shipping Information

Postage Area Price
Germany
6.50
Europe
9
Rest of World
$12
USA
15

Bid History

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