Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Phlogopite

Views:
Watches:
DVE90452

Phlogopite

Ex-David J. Eicher Collection; ex-John H. Eicher Collection

Description Tabs

Description
Locality: 
Spring Creek Branch, Pennington County, South Dakota, United States of America
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.8 × 6 × 0.6 cm
Description

Lavender crystal group of interlocked plates of phlogopite from an old American location; old-time material collected in the 1940s.

Mineral Data
What's on the rock

Phlogopite

Formula: 
KMg3(AlSi3O10)(OH,F)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 3.0
Streak: 
White
David J. Eicher

Seller Information

Payment options: offline, paypal_wpp, paypal_wps