No, silver sand and white sand are not always the same. While both can appear light in color, their composition and uses differ.
Understanding the Differences
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Silver Sand: Often refers to a fine, white sand composed primarily of quartz particles free from iron oxides. This lack of iron oxides is key; iron oxides are what give sand its yellowish or brownish hues. Silver sand's purity makes it ideal for specific applications like gardening and as a component in mortar for light-colored paving. One example is its use in creating mortar for light-colored pavers. [Reference: Silver sand is a fine white sand used in gardening. It consists largely of quartz particles that are not coated with iron oxides. Iron oxides colour sand from yellows to rich browns. Silver sand is also used as a constituent of mortar for laying light coloured pavers.]
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White Sand: This term is broader and encompasses various sands that appear white or very light in color. The composition can vary greatly, depending on the source. Some white sands might also be largely quartz, similar to silver sand, while others may contain different minerals or even be treated to enhance their whiteness. Examples include the white sand used in aquariums, [Reference: Silver sand sold in hardware shops is also suitable as its exactly the same as the branded aquarium sand.], and the white sand found in places like White Sands National Park, [Reference: Rising from the heart of the Tularosa Basin is one of the world's great natural wonders - the glistening white sands of New Mexico.], which is composed of gypsum crystals. White sand is also frequently used in various contexts like paint [Reference: The paint code for the Explorer Limited and F150 Lariat White Sand Tri-Coat is PV. Don't know if it will be the same for the Edge.] and carpet manufacturing [Reference: Product Name: Orpheus Color Name: White Sand Color Code: 24255 Collection: Wiltrex Width: 13' 2" Pattern Repeat: 2 1/2"W x 6 1/2"L Construction: Wilton Woven].
Some sources even suggest silver sand is superior to other types of sand for certain purposes, such as rendering. [Reference: Silver sand is grand to use ,infact its better than limestone sand ...]
In essence, "silver sand" is a specific type of white sand characterized by its purity and lack of iron oxides, while "white sand" is a more general term encompassing various light-colored sands with potentially different compositions.