bicolor tourmaline Crystals - Height: 17 mm - Width: 4 mm- 20 g - (1)

bicolor tourmaline Crystals - Height: 17 mm - Width: 4 mm- 20 g - (1) #1.0
bicolor tourmaline Crystals - Height: 17 mm - Width: 4 mm- 20 g - (1) #1.0
bicolor tourmaline Crystals - Height: 17 mm - Width: 4 mm- 20 g - (1) #2.1
bicolor tourmaline Crystals - Height: 17 mm - Width: 4 mm- 20 g - (1) #3.2
bicolor tourmaline Crystals - Height: 17 mm - Width: 4 mm- 20 g - (1) #4.3
06
days
05
hours
58
minutes
04
seconds
Starting bid
€ 1
Reserve price not met
Georgia Foteinou
Expert
Selected by Georgia Foteinou

Holds BSc in geology and post-graduate qualifications in geochemistry.

Estimate  € 150 - € 200
No bids placed
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Description from the seller

Bicolour tourmaline is a variety of tourmaline in which a single crystal naturally displays two distinct colors. This happens because the chemical composition of the crystal changes as it grows, causing different trace elements to be incorporated at different stages.

Bicolour tourmaline

Common color combinations include:

* Pink and green (the most famous combination)
* Blue and green
* Pink and colorless
* Yellow and green

One especially well-known variety is:

* Watermelon tourmaline, which resembles a slice of watermelon with a pink center and green edge….


From Afghanista
Weight : 20 grams

Average sizes :

17x4x4mm
10x5x5mm
10x3x3mm
13x3x3mm
20x3x2mm
14x4x2mm
13x3x3mm
11x3x3mm


Bicolour tourmaline is a variety of tourmaline in which a single crystal naturally displays two distinct colors. This happens because the chemical composition of the crystal changes as it grows, causing different trace elements to be incorporated at different stages.

Bicolour tourmaline

Common color combinations include:

* Pink and green (the most famous combination)
* Blue and green
* Pink and colorless
* Yellow and green

One especially well-known variety is:

* Watermelon tourmaline, which resembles a slice of watermelon with a pink center and green edge….


From Afghanista
Weight : 20 grams

Average sizes :

17x4x4mm
10x5x5mm
10x3x3mm
13x3x3mm
20x3x2mm
14x4x2mm
13x3x3mm
11x3x3mm


Details

Number of objects
1
Main mineral
bicolor tourmaline
Mineral form
Crystals
Weight
20 g
Origin (region/city)
Afghanistan
Country of origin
Afghanistan
Height
17 mm
Width
4 mm
Depth
4 mm
ItalyVerified
1
Object sold
19
Objects in auction
Private

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