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Iris Quartz

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PDM807506

Iris Quartz

Description Tabs

Description
Locality: 
Madhya Pradesh, India
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.8 × 4.9 × 2.7 cm
Description

Aggregate of milky quartz with attractive multicoloured reflexes producing the so called iris quartz. Good representative specimen for the locality.

According to (Petrov and Tanaka, 2011), Iris quartz (or rainbow quartz) is a quartz variety displaying internal spectral single colours or tiny rainbows normally on the rhombohedral faces. These internal colours are interference phenomenon due to reflection and refraction on extremely thin parallel brazil-law twinning lamellae

(See Mindat: Iris quartz, by Alfredo Petrov and Yuko Tanaka, 2011).

Mineral Data
What's on the rock

Iris Quartz

Variety Of: 

Quartz

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

Seller Information

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