Spinel

Item Number: 2018-0367

In stock

€600.00

incl. 20% VAT

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Details

Weight:

2,365 ct.

Color Quality:

Medium (VI)

Purity:

C

Color:

red

Shape:

Antique oval

Dimensions:

8,99 mm x 7,01 mm x 3,96 mm

Origin:

Unknown origin

Treatment:

Untreated

Certificate:

GLA57645-1

Item Number:

2018-0367

Facts

properties of spinel

Own mineralogical group
Hardness grade 8
Chemical formula: MgAl2O4
Includes almost all colors
Colored by different metal oxides
High density of the mineral: 3.6 - 4.1

origin

Burma
Vietnam
Tadschikistan
Sri Lanka
Afghanistan

worth knowing

Oldest known locality: Burma
Has been confused with ruby for a long time
Some of the most important "rubies" in the world are therefore spinels
Spinel can be distinguished from ruby by its crystal system and refraction of light
Gives courage and confidence
Most important place of discovery is still Burma

investment in spinel

Outsider in the investment field, which will quickly increase in value
Rare, rapidly increasing in value
Stones should have at least 2 ct weight
Larger, luminous stones have higher increase in value
Experts expect 8 - 10% increase in value per year
Beautiful sparkling spinels are to be preferred

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