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Main page » Catalogue » Crystals and Rough » Tourmaline » Verdelite » Rare Tourmaline Crystal (light color change)



Rare Tourmaline Crystal (light color change)


Product No.: mf32-192



 
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
Rare Tourmaline Crystal (light color change)
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Rare Tourmaline Crystal (light color change)

 

 

Mineral:
Tourmaline , Variety: Elbaite
Chemical Formula:
Na(Li1,5AL1,5)Al6(BO3)3[Si6O18](OH)3(OH)
Size:
30,0 x 8,9 x 7,2 mm
Weight:
17,65 ct or 3,53 g
Transparence:
transparent - translucent
Quantity:
1
Origin:
Pyan Gyi mine (West of Pyan Pyit), northeast of Mogok, Burma (Myanmar)

A very rare prismatic Tourmaline crystal from a metamorphic limestone are, where normally only spinel and short prismatic or twinned uvite (rose-tourmaline) crystals are found. The specimen shows a light color change! This must be caused by a light vanadium and chromium content. Chemically the crystal might be an uvite not an elbaite. In either way this is a very rare and fully intact crystal !