transparent gem
Học thuậtThân thiện
Definition
Noun: A transparent gem is a gemstone characterized by its ability to allow light to pass through it clearly, without significant scattering or diffusion. This property of high transparency is a key factor in its value and visual appeal.
Usage
The term "transparent gem" is used to classify and describe precious or semi-precious stones based on their optical clarity. It is a descriptive category in gemology and jewelry.
Examples
- Diamonds, emeralds, and sapphires are all highly prized transparent gems.
- The clarity of a transparent gem is graded by examining its inclusions under magnification.
- She preferred the brilliant sparkle of a transparent gem over the opaque appearance of jade.
Advanced Usage
- Scientific Context: In mineralogy, a transparent gem is studied for its crystallographic properties and how its structure affects light transmission.
- Market Context: The value of a transparent gem is heavily influenced by the "Four Cs": Carat, Cut, Color, and Clarity.
Variants and Related Words
- Gemstone (n): The general term for any precious or semi-precious stone, which can be transparent, translucent, or opaque.
- Translucent Gem (n): A gemstone that allows light to pass through but diffuses it, so objects on the other side are not clearly visible (e.g., opal, moonstone).
- Opaque Gem (n): A gemstone that does not transmit light (e.g., turquoise, lapis lazuli).
Synonyms
- Clear gem
- Limpid gem (poetic/formal)
- Pellucid gem (formal/literary)
Antonyms
- Opaque gem
- Translucent gem
Related Phrases
- Faceted transparent gem: A transparent gem that has been cut with flat, polished surfaces (facets) to enhance its brilliance.
- Cabochon-cut transparent gem: A transparent gem polished into a smooth, rounded dome without facets, though this cut is less common for fully transparent stones as it reduces sparkle.
Noun
- a gemstone having the property of transmitting light without serious diffusion