Mineral,Description
Quanity ordered, Carat price $U.S.
Less 100 Car.
100-500 Car.
500 Car. and up
Rough
Cut
Flame Fusion Rutile ("Titania")
$4.50
$4.00
$3.50
Flame Fusion Strontium Titanite
$4.00
$3.50
$3.00
Pulled Lithium Niobite (“Linobate”)
$4.50
$4.00
$3.50
Pulled Lithium Tantalite
$4.50
$4.00
$3.50

Mineral Description
SYNTHETIC RUTILE (“TITANIA”)
Well known, first time produced diamond imitation. Grown by especially modified flame fusion method. Always has some yellowish tint.
    
I.R. – 2.62 – 2.90; H – 6 - 6.5; D – 4.23 – 4.44. Cutting angles: Pavilion – 37 – 40°; Crown – 30 – 40°. Cur stones need the orientation, which avoids the strong biaxial effect.
STRONTIUM TITANITE
Flame fusion grown diamond imitation. Always comes with tint, from yellowish to brown.

    I.R. – 2.41; H – 6.5; D – 5.13. Cutting angles: Pavilion – 37 – 40°; Crown – 30 – 40°.
LITHIUM NIOBITE ("LINOBATE")
Pulled method grown colorless diamond imitation.
I.R. – 2.30; H – 5.5; D – .120
LITHIUM TANTALITE
Pulled method grow diamond imitation with some yellowish tint.
I.R. – 2.22; H –  5.5-6; D – .083

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