Core conclusion: They are fundamentally different materials. Snow White sand (雪花白砂) is typically a dolomite or calcium carbonate-based mineral sand, while quartz sand (石英砂) is silicon dioxide (SiO₂)-based. This single compositional difference drives every other distinction — hardness, purity, price, and application.
Snow White Sand: The main component is dolomite (a magnesium-calcium carbonate mineral) or sometimes calcium carbonate (CaCO₃). Some variants are quartz-based but processed to extreme whiteness. In either case, it is NOT primarily SiO₂.
Quartz Sand: The main component is silicon dioxide (SiO₂), typically 90%–99%+. Impurities (Fe₂O₃, Al₂O₃, etc.) are the residual fraction, not the primary material.
This is why they are not interchangeable — they are different minerals entirely.
Snow White Sand: Pure snow-white color, whiteness typically ≥90 degrees (R457 scale). Almost no colored spots or impurities visible to the naked eye. Particles are uniform, smooth, and have a subtle glossy, translucent quality — hence the name "snow white."
Quartz Sand: Ranges from milky white to grayish white to slightly yellowish. Whiteness typically 70–85 degrees. May contain brownish or yellowish impurity spots. Particle surfaces are rougher, more angular, with less visual refinement.
| Property | Snow White Sand | Quartz Sand |
|---|---|---|
| Mohs Hardness | 3–4 (carbonate/dolomite based) | 7 |
| Wear Resistance | Low — scratches easily | Very high |
| Acid/Alkali Resistance | Poor — dissolves in acid | Excellent |
This is the most practical difference. Snow White sand will wear down, dissolve, and degrade in harsh environments. Quartz sand will not.
Snow White Sand: Requires multi-stage precision crushing (jaw + cone crusher), acid washing, magnetic separation (to remove iron), high-temperature calcination (to burn off organics), and strict mesh grading with particle size error controlled within ±0.05mm. The goal is to eliminate every trace of color and impurity.
Quartz Sand: Typically single-stage crushing and physical screening only. Acid washing and magnetic separation are optional — often skipped entirely for industrial-grade material. Mesh grading is coarser, with particle size error up to ±0.1mm or more.
Here is where most people get confused:
Snow White sand (dolomite/calcium-based) is actually cheaper than white quartz sand — sometimes 3–5× cheaper. It is the "budget white" option.
Snow White sand (high-purity quartz-based, ≥99% SiO₂) is 30%–50% more expensive than ordinary quartz sand, because the extra processing to achieve extreme whiteness adds cost.
White quartz sand (≥99% SiO₂, high purity) is the most expensive of all — several times the price of dolomite-based Snow White sand.
So the rule is: dolomite Snow White < ordinary quartz sand < high-purity white quartz sand ≈ premium Snow White quartz.
Snow White Sand (dolomite/CaCO₃-based):
Quartz Sand (SiO₂-based):
Snow White sand is a dolomite or calcium carbonate sand processed for extreme whiteness — cheap, soft, and decorative. Quartz sand is a silicon dioxide sand valued for hardness, chemical inertness, and high-temperature performance — expensive, durable, and industrial. They are different minerals, not different grades of the same material.