|
1
|
amethyst
|
Mineralogists
|
Mineralogists value amethyst for its crystal structure, color variation, and geological occurrences.
|
1
|
|
2
|
chalcedony
|
Mineralogists
|
Chalcedony, a form of cryptocrystalline quartz, is classified according to its color and pattern variations by mineralogists.
|
1
|
|
3
|
diamond
|
Mineralogists
|
Mineralogists highly value diamonds for their physical properties and rarity.
|
1
|
|
4
|
emerald
|
Mineralogists
|
Mineralogists study the crystal structure and geological formations of emeralds.
|
1
|
|
5
|
gold
|
Mineralogists
|
Mineralogists study the geological formations and occurrences of gold.
|
1
|
|
6
|
rock formation
|
Mineralogists
|
Mineralogists study the formation process and geological history of rock formations.
|
1
|