You are currently viewing Difference Between Glass and Diamond

Difference Between Glass and Diamond

  • Post last modified:February 22, 2023
  • Reading time:5 mins read
  • Post category:Uncategorized

Definition of Glass and Diamond

Glass: Glass is a transparent or translucent material that is commonly made by melting silica (silicon dioxide) along with other materials such as soda ash (sodium carbonate) and limestone (calcium carbonate) at high temperatures. Glass can also be colored and formed into various shapes and sizes for various applications.

Diamond: Diamond is a naturally occurring mineral that is made of pure carbon atoms arranged in a crystal lattice structure. It is the hardest known material and is prized for its beauty, rarity, and ability to cut through other materials with ease. Diamonds are commonly used in jewelry, but they also have industrial applications due to their hardness and thermal conductivity.

Difference Between Glass and Diamond

Physical Properties

Physical properties of Glass and Diamond include:

  • Composition: Glass is typically composed of silica, soda ash, and limestone, while diamonds are made of pure carbon atoms.
  • Transparency: Glass can be transparent or translucent, while diamonds are transparent.
  • Hardness: Diamonds are the hardest known material with a hardness scale rating of 10, while glass is much softer with a hardness rating of 5-7 on the Mohs scale.
  • Density: Diamonds are much denser than glass, with a density of 3.52 g/cm³ compared to 2.5 g/cm³ for most types of glass.
  • Refractive Index: The refractive index of glass varies depending on the type of glass, but is generally lower than that of diamonds, which has a refractive index of 2.42.


Uses of Glass and Diamond include:

  • Glass:
  1. Glass in construction: Glass is commonly used in building construction for windows, skylights, and glass doors.
  2. Glass in optics: Glass is used in optical devices such as telescopes, microscopes, and eyeglasses due to its ability to refract light.
  3. Glass in art: Glass is used in art for stained glass windows, glass sculptures, and other decorative objects.
  • Diamond:
  1. Diamond in jewelry: Diamonds are highly valued for their beauty and rarity and are often used in jewelry such as rings, necklaces, and earrings.
  2. Diamond in cutting tools: Diamonds are extremely hard and are used in cutting tools for a variety of materials, including other diamonds.
  3. Diamond in electronics: Diamonds are used in electronic applications due to their thermal conductivity and ability to act as a semiconductor.

Cost Comparison

Cost Comparison of Glass and Diamond:

  • Cost of Glass: Glass is relatively inexpensive compared to diamond, with the cost of glass depending on the type of glass, size, and production process.
  • Cost of Diamond: Diamonds are much more expensive than glass due to their rarity, beauty, and the fact that they must be mined from the earth. The cost of diamonds can vary greatly depending on the quality, size, and color of the diamond.
  • Factors affecting cost: The cost of both glass and diamonds can be affected by a number of factors, including supply and demand, production costs, and the quality and characteristics of the material. Additionally, diamonds may also be more expensive due to the cost of mining and processing the raw materials.


The key differences between Glass and Diamond include their composition, transparency, hardness, density, refractive index, color, and uses. Glass is an inexpensive material that is commonly used in construction, optics, and art, while diamonds are highly valued for their rarity, beauty, and hardness and are used in jewelry, cutting tools, and electronics.

Understanding the differences between glass and diamond is important for individuals making informed decisions about the materials they use. This information can also provide a deeper understanding of the science behind these materials and the factors that contribute to their unique properties.

Both glass and diamond are unique materials that have their own strengths and weaknesses, and each is suited to different applications. Choosing the right material depends on the specific requirements of the task at hand and the properties that are desired.

Reference website

Here are some websites that provide reliable information about the differences between glass and diamond:

Leave a Reply