Color Stone Essentials Questions and Answers With Verified Solutions
2025
Most gems are ____ - ✔✔Minerals
All ____ possess some degree of beauty, rarity and durability - ✔✔Gems
____ is the most important factor in colored stone's beauty - ✔✔Color
Most gems are somewhere in the middle of the ____ scale - ✔✔Rarity
Lacking a regular crystal structure - ✔✔Amorphous
Kinds and relative quantities of atoms that make up a material - ✔✔Chemical composition
Written description of a material's chemical make-up - ✔✔Chemical formula
Any gem material other than diamond - ✔✔Colored stone
Regular, repeating internal arrangement of atoms in a material - ✔✔Crystal structure
A gemstone's ability to withstand wear, heat and chemicals - ✔✔Durability
A US Government agency that issued guidelines for the jewelry trade - ✔✔Federal Trade Commission
A broad gem category based on chemical composition and crystal structure - ✔✔Gem species
A subcategory of species, based on color, transparency or phenomenon - ✔✔Gem variety
, A family of gems from several closely related mineral species - ✔✔Group
How well a gemstone resists scratches and abrasion - ✔✔Hardness
The appearance of a material's surface in reflected light - ✔✔Luster
A natural, inorganic substance with a characteristic chemical composition and usually characteristic
structure - ✔✔Mineral
Gems produced by natural processes, without human help - ✔✔Natural gems
How well a gemstone resists the effect of light, heat, and chemicals - ✔✔Stability
How well a gemstone resists breaking, chipping and cracking - ✔✔Toughness
Degree to which a material allows light to pass through it - ✔✔Transparency
____ requires the interaction of light, an object and an observer - ✔✔Color
A gem's chemical composition and crystal structure affect the way it ________ light - ✔✔Absorbs and
returns
Each gem species or variety has its own ________ and its own best color within that range - ✔✔Color
range
In some gem varieties, slight variations in hue, tone and saturation can make a ____ difference in price -
✔✔Tremendous
2025
Most gems are ____ - ✔✔Minerals
All ____ possess some degree of beauty, rarity and durability - ✔✔Gems
____ is the most important factor in colored stone's beauty - ✔✔Color
Most gems are somewhere in the middle of the ____ scale - ✔✔Rarity
Lacking a regular crystal structure - ✔✔Amorphous
Kinds and relative quantities of atoms that make up a material - ✔✔Chemical composition
Written description of a material's chemical make-up - ✔✔Chemical formula
Any gem material other than diamond - ✔✔Colored stone
Regular, repeating internal arrangement of atoms in a material - ✔✔Crystal structure
A gemstone's ability to withstand wear, heat and chemicals - ✔✔Durability
A US Government agency that issued guidelines for the jewelry trade - ✔✔Federal Trade Commission
A broad gem category based on chemical composition and crystal structure - ✔✔Gem species
A subcategory of species, based on color, transparency or phenomenon - ✔✔Gem variety
, A family of gems from several closely related mineral species - ✔✔Group
How well a gemstone resists scratches and abrasion - ✔✔Hardness
The appearance of a material's surface in reflected light - ✔✔Luster
A natural, inorganic substance with a characteristic chemical composition and usually characteristic
structure - ✔✔Mineral
Gems produced by natural processes, without human help - ✔✔Natural gems
How well a gemstone resists the effect of light, heat, and chemicals - ✔✔Stability
How well a gemstone resists breaking, chipping and cracking - ✔✔Toughness
Degree to which a material allows light to pass through it - ✔✔Transparency
____ requires the interaction of light, an object and an observer - ✔✔Color
A gem's chemical composition and crystal structure affect the way it ________ light - ✔✔Absorbs and
returns
Each gem species or variety has its own ________ and its own best color within that range - ✔✔Color
range
In some gem varieties, slight variations in hue, tone and saturation can make a ____ difference in price -
✔✔Tremendous
