Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Julgoldite & Pectolite

Views:
Watches:
ESM514816

Julgoldite & Pectolite

Description Tabs

Description
Locality: 
Wolfsmühle Quarry, Waldgrehweiler, Alsenz-Obermoschel, Palatinate, Rhineland-Palatinate, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 3 cm
Description

Black julgoldite crystals perched on colorless pectolite crystals

Mineral Data
What's on the rock

Julgoldite

Synonym Of: 

Julgoldite-(Fe2+)

Formula: 
Ca2(Fe2+,Mg)(Fe3+,Al)2(Si2O7)(SiO4)(OH)2·H2O
Strunz: 
9.BG.20
Hardness: 
0.0

Julgoldite-(Fe3+)

Formula: 
Ca2(Fe3+,Mg)(Fe3+,Al)2(Si2O7)(SiO4)(OH,O)2·H2O
Strunz: 
9.BG.20
Hardness: 
4.5

Julgoldite-(Mg)

Formula: 
Ca2(Mg,Fe2+)(Fe3+,Al)2(Si2O7)(SiO4)(OH)2·H2O
Strunz: 
9.BG.20
Hardness: 
0.0
Group Parent: 
Pumpellyite Group

Pectolite

Formula: 
NaCa2(HSi3O9)
Strunz: 
9.DG.05
Hardness: 
4.5 - 5.0
Streak: 
White
Type Locality: 
Sano, Mori, Mt. Baldo, Lagarina Valley, Trento Province, Trentino-Alto Adige (Trentino-Südtirol), Italy