The better choice between glass plates and porcelain plates largely depends on the intended use and personal preference. Glass plates are generally more durable and less prone to chipping or breaking, making them ideal for outdoor use or for those who prefer a sleek, modern aesthetic. Porcelain plates, on the other hand, offer a traditional, elegant look and are more resistant to stains and heat, making them suitable for formal dining settings.

Glass plates are made from molten sand, soda ash, and limestone, which are then cooled and shaped into plates. This process results in a material that is highly durable and resistant to scratches. According to a study by the Journal of Materials Science, glass has a higher resistance to scratching than porcelain, with a Vickers hardness of around 690 MPa compared to porcelain's 400 MPa. This makes glass plates a better choice for those who want a long-lasting, low-maintenance option.

Porcelain plates, on the other hand, are made from kaolin, feldspar, and quartz, which are fired at high temperatures to create a hard, vitreous material. Porcelain is known for its strength and resistance to heat, making it suitable for use in the oven or microwave. A report by the American Ceramic Society states that porcelain can withstand temperatures up to 2,000 degrees Fahrenheit, which is significantly higher than glass's limit of around 1,400 degrees Fahrenheit. This makes porcelain plates a safer choice for cooking and baking.

In terms of aesthetic appeal, porcelain plates often have a more refined look, with intricate designs and patterns that can elevate a dining experience. Glass plates, while sleek and modern, may lack the traditional charm of porcelain. However, glass plates can be more versatile in terms of design, as they can be easily customized with various colors and textures.

When considering the environmental impact, glass is generally more sustainable than porcelain. Glass is fully recyclable and can be melted down and reused without losing quality. Porcelain, while also recyclable, requires more energy to produce and is less efficient in terms of recycling. According to the U.S. Environmental Protection Agency, glass recycling saves energy and reduces greenhouse gas emissions, making it a more environmentally friendly option.

In conclusion, glass plates are better for durability and versatility, while porcelain plates are preferable for their traditional elegance and heat resistance. The choice ultimately depends on the user's specific needs and preferences.