User's Guide
There are many categories for stones with confusing classification. For example, since basalt and andesite are mainly used for outdoor wall, ground, garden or indoor area demanding impact resistance and wear resistance such as table-board, which are similar to the usage situation of granite, non-professionals in Chinese market generally classify basalt and andesite as granite. Marble, limestone, sandstone, travertine, and jade are used indoor more often. For simplicity, we generally classify two categories, i.e. quasi-granite (hard rock) and quasi-marble (soft rock).

The Stone Books are divided into two volumes.

The first volume currently has 22 books, which include around 400 different colors of granite samples (Hard Rock). Each sample stone is cut to size 80x80mm (3”x3”), and inserted to each book which contains 18 pieces.

The second volume now has 10 books, which include 120 different colors of marble samples (Soft Rock). With more and more raw materials being collected, the marble samples will be altogether around 500 colors . Each sample stone is cut to size 120x80mm (5”x3”), and inserted to each book which contains 12 pieces. The size of each book is 282x282mm. Each book weighs about 2.5kg, i.e. 5 pounds.

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