Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Amethyst & Agate

Views:
Watches:
NST700928

Amethyst & Agate

Description Tabs

Description
Locality: 
Minas Gerais, Brazil
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.3 × 8.7 × 1.3 cm
Description

A polished (front and back) slice of Amethyst showing two Agate-"eyes". Comes with an early 20th century label.

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Formula: 
SiO2
Hardness: 
0.0
Colour: 
Purple

Agate

Variety Of: 

Chalcedony

Hardness: 
6.5 - 7.0
Formula: 
SiO2
Hardness: 
0.0