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Stone, referring to rock in the scientific term, such as marble and granite, are abundant in the nature. However, not every stone has commercial values. Most rock stones exposed on the earth can't be used in architectural applications due to unfavorable physical and chemical characteristics. It takes geologists many years to discover one usable stone quarry.
 
Stones have three general origins: sedimentary rock formed through deposition in the oceans or rivers; igneous rock that is associated with lava activities, and metamorphic rocks formed when high temperature and pressure altered the mineral structures in original sedimentary or igneous rocks. Granite is a typical igneous rock formed when lava cooled down deep under the ground. Such process contributed to hardness and toughness of granite we see today, making granite a great stone for applications requiring weathering proof. Limestone and sandstone are common sedimentary rocks; they will be altered to marble or slate after being metamorphosed. In terms of production process and commercial applications, stones are often classified into cut stone and carving stone. Certain marble and granite suitable for stone fabrications may not be used for carvings.
Natural granite rock is the second in the hardness after diamond. For its long lasting durability, granite rock has proven to be the perfect...
 
Granite is an igneous stone formed by molten rock, over millions of years. It is extremely durable and scratch resistant; Its hardness lends...
The word "Marble" as a building material has deviated from its original geological definition. Many crystallized calcite rich ston...
 
Marble is a stone to which we generally ascribe an essence of richness, luxury and eternity. It is a limestone rock, which is to say it cont...
Lava is the molten or melted rock that is forced from volcanoes and cracks within the Earth's surface, as well as what is left behind once i...
 
Porphyry, also commonly known as Cobblestone, makes it one of the strongest stones and most important materials both for paving and for clad...
Natural sandstone is a sedimentary rock composed of mainly quartzes so it is often called quartz sandstone. In general, the sandstone has st...
 
Basalt is an extrusive igneous rock, sometimes porphyritic, and is often both fine-grained and dense. Basalt in the tops of subaerial lava f...
Limestone is a sedimentary rock composed of mainly calcium carbonate. As most natural limestone rock formations contain mainly non-crystalli...
 
What is travertine? Travertine is a type of natural stone formed through massive calcium carbonate, CaCO3, and resulting from deposition by ...
As a leading stone manufacturer in China, China Refine Industry Co.,LTD provides a full line of high quality finished Onyx products, such as...
 
Not all varieties of quartz are naturally occurring. Prasiolite, an olive colored material, is produced by heat treatment; natural prasiolit...