A gemstones ability to withstand wear, heat, and chemicals
Degree to which a material allows light to pass through it
Gems produced by natural processes, without human help
Atoms in a gem that arent part of its essential chemical composition
Term 2 of 39
A gem's variety is most often based on its
Luster
Hardness
Color
Crystal Structure
Term 3 of 39
Gemology
The study of gems
A family of gems from several closely related mineral species
Rarity, beauty, durability
Chemical composition
,Term 4 of 39
Most gems are ....
Inorganic
Minerals
Water
Rocks
Term 5 of 39
All gems possess some degree of these three traits..
Stability
Rarity, beauty, durability
Kinds and relative quantities of atoms that make up a material
Chemical composition
Term 6 of 39
All minerals are
Luster
Crystal Structure
Minerals
Inorganic
Term 7 of 39
Group
A family of gems from several closely related mineral species
A single gem that has multiple variations
A collection of gems that share a common color
A type of gem that is only found in one location
,Term 8 of 39
Inorganic
Composed of, or arising from, non-living matter
A substance that is artificially created in a laboratory
A mixture of organic and inorganic materials
Made entirely from living organisms and their byproducts
Term 9 of 39
Gems that come from plants and animals are called
Saltation
Organics
Minerals
Amorphous
Term 10 of 39
One of the most obvious effects of a trace element in a mineral is
Hardness
Amber
Luster
Color
Term 11 of 39
The regular, repeating internal arrangement of atoms in a material is called
Chemical Composition
Crystal Structure
Toughness
Hardness
, Term 12 of 39
Natural Gems
Synthetic gems created in a laboratory environment
Gems that are exclusively found in urban areas
Gems produced by natural processes, without human help
Gems that have been altered for aesthetic purposes
Term 13 of 39
Gem Species
A specific type of gem that has been artificially enhanced
A group of gems that are all found in the same geographic location
A broad gem category based on chemical composition and crystal structure
A classification based solely on color and appearance
Term 14 of 39
chemical formula
Written description of a materials chemical make-up
A numerical value representing a material's density
The process of analyzing a material's properties
A visual representation of a material's structure
Term 15 of 39
Which of these is an example of an organic gem?
Amber
Color
Minerals
Mold
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