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Crushed stone comes in several grades, and some of the most popular grades are #5, #67, #1, #8, #3, #10, #57 and #411. Crushed stone is used primarily in construction, while homeowners commonly use grade #57 for driveway... More »

The benefits of a crushed stone driveway include the low cost, easy maintenance, quick installation and water permeable nature of the material. Gravel and crushed stone come in a variety of colors and rock sizes, allowin... More »

www.reference.com Home & Garden Outdoor

The most common size is grade 5 crushed stone, which contains pieces of stone that are typically no larger than 1 inch. Crushed stone grades 57 and 67 are also commonly used for driveways and construction and contain pie... More »

www.reference.com Home & Garden Home Maintenance Building Materials
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You can tell whether a diamond is real or fake by looking at certain details of the diamond, such as presence of imperfections, the shape of the edges and the stone’s refractivity. Other tests include the "fog test" and ... More »

Lapis lazuli means blue stone. Lapis is the Latin word for stone, and azula comes from the Arabic language and means blue. Lapis lazuli is the stone of friendship and truth. The deep blue gemstone encourages peaceful rel... More »

Scratching another stone with a suspect diamond is an excellent test of authenticity. Scratching determines the hardness of the stone, which is a key identifying characteristic for diamonds. More »

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