Indicolite

Name: Indicolite
SKU: IND-GREBLU-2021-186
Price: 900.00 EUR
Availability: InStock

Item Number: IND-GREBLU-2021-186

€900,00

incl. VAT

In stock

Price:

900,00 €

Weight:

4,487 ct.

Color:

greenish blue

Shape:

Cushion

Dimensions:

12,88 mm x 7,56 mm x 5,65 mm

Color Quality:

good (IV)

Purity:

small inclusions (D)

Origin:

Unknown origin

Treatment:

not detectable

Certificate:

GLA49709

Item Number:

IND-GREBLU-2021-186

facts

Separate mineralogical group with many varieties
Hardness grade 7 – 7,5
Chemical formula: XY3Z6(T6O18)(BO3)3V3W
(V, W, X, Y, Z stand for different possible elements)
Includes all colors
Colored by different metal oxides
Specific gravity 2.8 – 3.3 g/cm3

Still undervalued compared to other gemstones.
Exception: the Paraiba tourmaline, which can be more expensive than sapphire
Stones should be at least 5 ct in weight, except for Paraiba
Larger stones have higher appreciation
Experts calculate 6 – 8% increase in value per year
Beautiful, pure stones with clear colors are preferable