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Ruby With Zoisite & Tschermakite

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KRM183635

Ruby With Zoisite & Tschermakite

Description Tabs

Description
Locality: 
Mundarara Mine, Longido District, Arusha Region, Tanzania (United Republic)
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3.5 cm
Description

A very attractive and selected specimen of deep gemmy red  ruby embedded in massive zoisite with minor black Tschermakite.

A very good attractive specimeen in person.

Weight:90 g

Mineral Data
What's on the rock

Ruby

Variety Of: 

Corundum

Formula: 
Al2O3
Strunz: 
4.CB.05
Hardness: 
9.0
Formula: 
Al2O3
Crystal System: 
Hexagonal
Hardness: 
9.0
Colour: 
Red

Zoisite

Formula: 
{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.10
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Prickler Halt, Ladinger Spitze - Speikkogel area, Saualpe, Carinthia, Austria

Tschermakite

Formula: 
☐(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Group Parent: 
Tschermakite Root Name
Strunz: 
8/F.10-60
Crystal System: 
Monoclinic
Hardness: 
5 - 6
Colour: 
Medium green to dark
Streak: 
Pale grey-green

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