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
1 item @ $25.00  

Adelite

#DS47375

Adelite

#DS47375
Availability
Sold
Size
5 x 4 x 4 cm - Miniature 
Formula
CaMgAsO4(OH) (RRUFF)
Locality
Franklin, Sussex Co., New Jersey, United States
Tagged
arsenate

Adelite is rare and this specimen has not been confirmed. Descriptions by Dunn and others are not real helpful or definitive. No crystals. I assume it is allegedly the reddish brown in-filling between the Franklinite. Suspect specimen. No return.

Adelite

Formula
CaMgAsO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Massive 
Cleavage
Indistinct, None, None 
Luster
Resinous 
Color
blue gray, green, gray, yellow, light green 
Streak
white 
Class
Orthorhombic - Disphenoidal 
Fracture
Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Shultz Collection
Mineralpedia
View Adelite
On Dakota Matrix
Previously Sold Adelite
On Dakota Matrix
Other Available Adelite
WebMineral
View Adelite
Mindat
View Adelite

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