Baotite Mineral Details (Rare mineral)

 

Baotite Mineral Details

Baotite Mineral from Pakistan

B

Physical Properties

• Color: Black
• Crystal System: Tetragonal
• Cleavage: None Observed
• Luster: Vitreous
• Hardness (Mohs): 5.5
• Streak: Black
• Fracture: Conchoidal

Optical Properties

• Refractive Index: nω=1.810 nε=1.790
• Birefringence: δ = 0.020
• Optical Character: Uniaxial (-)

Faced Baotite which is uncommon 

Use and Rarity

Baotite is a very rare mineral that is primarily used for scientific study and as a collector's item for mineral enthusiasts.

Faceted Baotite Available , click on the below underline link 

Baotite, Rare faceted mineral  for sale

Laurentthomasite is a newly found mineral in Madagascar.

Laurentthomasite is a mineral that was recently approved by the International Minerals Association (IMA) in 2019. It's appealing not only as a newly discovered mineral, but also as an excellent translucent and attractively coloured gemstone. We might be able to test some samples in the coming days. I'd like to share our calculated 

property with you.

The basic gemmological property

　Theoretically is R.I. is 1.540-1.545 (uniaxial +) but our tested samples showed 1.555-1.560 (uniaxial +). The S.G is about 2.67. The crystal system is hexagonal. And it shows strong pleochroism as blue and yellow.

The hardness is about 6.

     Laurentthomasite