Documents
Gemstone
this article is about gemstones as jewelry or decorative art for other uses of the word see gemstone disambiguation a...
Emerald
emerald emerald with host rock general category mineral chemical formula...
Corundum
corundum general category mineral chemical formula aluminium oxide...
Beryl
specimen with host rock showing clear hexagonal structure the mineral beryl is a beryllium aluminium silicate minerals cyclosilicates cyclosilicate with the c...
Crystal
for other senses of this word see crystal disambiguation crystal in chemistry and mineralogy a crystal is a solid...
Graphite
graphite general category native mineral chemical formula carbon...
Lonsdaleite
lonsdaleite is a hexagonal allotrope of the allotropes of carbon carbon allotrope diamond belie...
Diamond
this article is about the gemstone for other uses including the shape see diamond disambiguation diamond is the hardest known natural material and one of the two best k...
Analcite
analcite general category mineral chemical formula naalsi o h o id...
Kaolinite
...s here for the band see kaolin band for the sailor moon character see death busters kaolinite general category mineral chemical formula al si o oh ide...
Kyanite
kyanite general category mineral chemical formula aluminium al s...
Biotite
biotite is a common silicate minerals phyllosilicates phyllosilicate mineral within the mica...
Hematite
hematite general category mineral chemical formula iron iii oxide...
Kamacite
kamacite is a mineral it is an alloy of iron and nickel usually in the proportions of...
Amazonite
amazonite sometimes called amazon stone is a green variety of microcline feldspar the name is...
Lattice
lattice lattice may refer to an arrangement of crossing lath s or other thin strips of mater...
