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Ruby In Actinolite

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QRI770649

Ruby In Actinolite

Former collection Kasper (CH)
Classic Locality

Description Tabs

Description
Locality: 
Longido District, Arusha Region, Tanzania (United Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.2 × 8.1 × 3.5 cm
Largest Crystal: 
2.60cm
Weight: 
374.00gr
Description

Cabinet specimen of wine-red ruby crystals in actinolite matrix. Ruby features a saturated red color, which outstandingly contrasts with the surrounding green mineral. On the lustrous exposed surfaces, the specimens shows growth patterns, as they display their basal pinacoid in the three principal crystals. Crystals were carefully mechanically exposed.

Once a classic, these wine-red rubies were admired for their intense saturation and quality. Quite sought-after nowadays, especially on such a sizeable matrix, this is dated back to the early 70s, when it was easier to access them.

Former collection Kasper (CH).

Pasted Label
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

Actinolite

Formula: 
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic - Prismatic
Hardness: 
5.0 - 6.0
Streak: 
White

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