Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Lacroixite & Amblygonite

Views:
Watches:
SKY722437

Lacroixite & Amblygonite

Rare Mineral

Description Tabs

Description
Locality: 
Mica Load, Canon City Area, Fremont County, Colorado, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 3 cm
Description

Tan aggregates of the rare phosphate mineral  lacroixite in amblygonite from this Colorado locality and associated to very nice purple lepidolite.

This combination was once known as natromontebrasite, the name has now been discredited as it is lacroixite and amblygonite.

Ex Ralph E. Merrill collection , with label included (see photo)
 

Mineral Data
What's on the rock

Lacroixite

Formula: 
NaAl(PO4)F
Strunz: 
8.BH.10
Crystal System: 
Monoclinic
Hardness: 
4.5
Streak: 
White
Type Locality: 
Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

Amblygonite

Formula: 
LiAl(PO4)F
Strunz: 
8.BB.05
Crystal System: 
Triclinic
Hardness: 
5.5 - 6.0
Streak: 
white
Type Locality: 
Chursdorf, Penig, Chemnitz, Saxony, Germany

Seller Information

Payment options: offline, paypal_wpp, paypal_wps