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
Checkout
0 item @ $0.00  
Home | My Cart | Login | Register

Jahnsite-(Camnmg) with Luecophosphite

#BN53843
SOLD
Jahnsite-(CaMnMg) from Tip Top mine, Custer Co., South Dakota, United States - BN53843
Jahnsite-(CaMnMg) from Tip Top mine, Custer Co., South Dakota, United States - BN53843

Jahnsite-(Camnmg) with Luecophosphite

#BN53843
Availability
Sold
Size
10 x 6.5 x 6.5 cm - Cabinet 
Formula
CaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , pegmatite mineral

Crude to well-formed reddish brown Jahnite crystals to 1mm with sparse light purple Luecophosphite on Triphylite.

Jahnsite-(CaMnMg)

Formula
CaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O 
Crystal System
Monoclinic 
Cleavage
Good, None, None 
Luster
Vitreous - Adamantine 
Color
brown, purplish brown, yellow, yellow orange, greenish yellow 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4 

Data courtesy of Webmineral.

Collection
Dr. Buford Nichols Collection
Mineralpedia
View Jahnsite-(CaMnMg)
On Dakota Matrix
Previously Sold Jahnsite-(Camnmg)
On Dakota Matrix
Other Available Jahnsite-(Camnmg)
WebMineral
View Jahnsite-(Camnmg)
Mindat
View Jahnsite-(Camnmg)

Other Sold

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map