Taaffeite

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Taaffeite

RF8325 - Taaffeite

$301,00

Average customer rating:
0 stars

Total votes: 0

1.68 crts Harga Rp.3.000.000,-
Product Details...

Taafeite - CPY125

$467,00

Average customer rating:
0 stars

Total votes: 0

3.87 crts Harga Rp.7.000.000,-
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Taafeite - LM7506

$367,00

Average customer rating:
0 stars

Total votes: 0

6.94 crts Harga RP.5.500.000,-
Product Details...

Taaffeite adalah senyawa mineral Magnesium Beryllium Aluminium, dengan formula (BeMgAl₄O₈) dikenal sebagai mineral yang paling langka di dunia, diketemukan oleh Richard Taaffe pada tahun 1945. Semula mineral ini dianggap sebagai sebuah veritas Spinel tetapi belakangan diketahui bahwa Taaffeite mempunyai property yang berbeda dengan Spinel, Taaffeite menampilkan optikal property yang disebut "Double refraction" sedangkan spinel tidak, taaffeite merupakan satu-satunya mineral dengan gabungan Magnesium dan Beryilium yang tidak daat diketemukan pada mineral jenis lain.

Secara eksklusif mineral ini terdapat di Sri Lanka, Tanzania dan Burma.

Hardness: 8 - 8.5 Mohs scale

Specific Gravity: 3.60 - 3.61

Refractive Index: 1.722 - 1.777