Bob is intelligent and trustworthy but lacks sophistication. He is a rough diamond. Mitchell may have been a rough diamond, but he was absolutely loyal to his employer.
What are rough diamonds used for?
Tiny diamond particles are converted into a paste, which is used for polishing other gems, plastics, ceramics, metals, glass, and cutting tools. Because diamonds conduct heat so effectively, they are used by scientists in laboratories.
What does it mean when someone says you diamond in the rough?
English Language Learners Definition of diamond in the rough
: a person who has talent or other good qualities but who is not polite, educated, socially skilled, etc. : something that is in poor condition but that is likely to become valuable with appropriate care or attention.
How do you use diamond in a sentence?
Diamond sentence example
- A diamond is the hardest, most resilient, most beautiful gem of all. …
- Inside sparkled a diamond choker with an unusually worn, plain charm of a half-sun, half-moon pierced by an arrow. …
- The jeweler said it is the most perfect diamond he has ever seen.
What does diamond look like rough?
Rough diamonds usually resemble lumps of pale colored glass. They often have an oily appearance and don’t sparkle. Very few rough diamonds are actually gem quality. Only those with the very palest colors, or are colorless will pass the test.
What are rough diamonds called?
A rough diamond, sometimes called a raw diamond, is a diamond that hasn’t been cut, processed, and polished. Rough diamonds typically resemble pale glass with little to no sparkle, and are found in many different colors and shapes. Not all rough diamonds end up being gem-quality diamonds.
What is the difference between rough and polished diamonds?
Their individual characteristics are displayed through their shape, texture and colour. What is the difference between a rough diamond and a cut diamond? The difference between a rough diamond and a polished diamond is that one is in its natural state and the other has been processed.
Where does the phrase a diamond in the rough come from?
Origin of “a diamond in the rough” has been recorded in the book A Wife for a Month by John Fletcher. The book was first published in 1624, using this phrase as “She is very honest and will be as hard to cut as a rough diamond.”
Where does the saying a rough diamond come from?
This idiomatic expression is obviously a metaphor for the original unpolished state of diamond gemstones. It comes from the fact that when diamonds are newly mined – that is, before they have been cut and polished – they don’t shine.
Is diamond in the rough a metaphor or simile?
What’s the origin of the phrase ‘A diamond in the rough’?
The phrase is a metaphor clearly referring to the original unpolished state of diamond gemstones, especially those that have the potential to become high quality jewels. It is more commonly expressed in the form ‘rough diamond’.
What is a diamond example of?
Diamond is a solid form of pure carbon with its atoms arranged in a crystal. Solid carbon comes in different forms known as allotropes depending on the type of chemical bond. The two most common allotropes of pure carbon are diamond and graphite.
How do you describe diamonds?
a pure or nearly pure, extremely hard form of carbon, naturally crystallized in the isometric system. a piece of this stone. a transparent, flawless or almost flawless piece of this stone, especially when cut and polished, valued as a precious gem.
What is diamond in easy language?
: a very hard usually colorless stone that is a form of carbon and is used especially in jewelry. : a shape that is formed by four equal straight lines and that has two opposite angles that are smaller than a right angle and two opposite angles that are larger than a right angle.
Are rough diamonds worth anything?
With few common inclusions, raw diamonds are more valuable than diamonds with several common flaws. A raw diamond which has a brownish or yellowish tint is stronger but less valuable. On the other side, diamond with less hue is far more valuable. Transparent and colorless diamonds are too rare to find.
How do you tell if a diamond is real with a flashlight?
To tell if a diamond is real with a flashlight, hold the flashlight vertically with the beam shooting up, and place the stone upside down on the lens. Examine how the light from the flashlight passes through and exits the stone.