Search results
Results from the WOW.Com Content Network
Cement tile mold, France, 1920. Cement tiles are made by hand, one at a time, using mineral pigments, cement, a mold, and an hydraulic press. The metal mold is handmade following specific design drawings. The pigment composition is a mixture of high-quality white Portland cement, marble powder, fine sand, and natural mineral colour pigments.
Nanoconcrete (also spelled "nano concrete"' or "nano-concrete") is a class of materials that contains Portland cement particles that are no greater than 100 μm [88] and particles of silica no greater than 500 μm, which fill voids that would otherwise occur in normal concrete, thereby substantially increasing the material's strength. [89]
The Dresden White Diamond (also known as Dresden White or the Saxon White) is a 62-carat (12.4 g) cushion-cut diamond [1] that probably originated from the Golconda mines in Southern India. [ 1 ] The Dresden White's name is derived from Dresden , the capital city of Saxony , Germany , and from the gem's white color.