![](/images/menggu/261.jpg)
Ilmenite - National Gem Lab
Ilmenite. Ilmenite is a mineral that is common but hardly ever faceted. Ilmenite is a black, opaque mineral with high density, metallic lustre and is Anisotropic. Faceted gems are attractive due to these characteristics. Ilmenite is one in every of the foremost important ores of the metal titanium. it's strip-mined as a very important ...