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Metastibnite & Opal

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SER1081365

Metastibnite & Opal

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Steamboat Hot Springs, Washoe County, Nevada, United States of America
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.1 × 1.1 × 0.9 cm
Description

red crusts of metastibnite partially covered by colourless balls of opal-an

Mineral Data
What's on the rock

Metastibnite

Formula: 
Sb2S3
Strunz: 
2.DB.05
Hardness: 
2.0 - 3.0
Streak: 
Red
Type Locality: 
Steamboat Hot Springs, Steamboat Springs District, Washoe Co., Nevada, USA

Opal

Formula: 
SiO2·nH2O
Strunz: 
4.DA.10
Hardness: 
5.5 - 6.5
Streak: 
White