mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Tiptopite with Montgomeryite

#AH53621

Tiptopite with Montgomeryite

#AH53621
Availability
Sold
Size
2 x 2 x 1.2 cm - Thumbnail 
Formula
K2(Li,Na,Ca)6(Be6P6)O24(OH)2·1.3H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , beryllium , pegmatite mineral

Colorless sprays of acicular Tiptopite to about 1mm with groups of red Montgomeryite. Rare, only found at this locality.

Type Locality

Tiptopite

Formula
K2(Li,Na,Ca)6(Be6P6)O24(OH)2·1.3H2
Crystal System
Hexagonal 
Crystal Habit
Acicular, Radial 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
colorless 
Streak
white 
Class
Hexagonal - Pyramidal 
Fracture
Uneven 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
Special Info
Type Locality
Mineralpedia
View Tiptopite
On Dakota Matrix
Previously Sold Tiptopite
On Dakota Matrix
Other Available Tiptopite
WebMineral
View Tiptopite
Mindat
View Tiptopite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2020 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map