Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Red-Silk Inkstone

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_2024
This stone gets its name from its red and purple silk pattern. It is a silty marl or mud dolomitic limestone from the Ordovician Majiagou Formation, and it is produced in Linqu County, Shandong Province. It is composed of 90% or more calcite with small amounts of dolomite, iron, manganese and mud. Its red silk pattern is a thin layer of mud, limonite and carbonate marl that was deformed during sedimentation. The inkstone can be divided into yellow base red silk, red base yellow silk and purple base yellow silk types based on the texture. Red is the most common colour, and colour banding is also common. The yellow base red silk type is considered the best. It has moderate hardness with a fine texture. The silk pattern is delicate and tends to be in parallel arrays of ripples or concentric circles. The red silk inkstone feels like cream when touched, is able to disperse ink like oil, keeps the ink as black as lacquer, is capable of holding water without wasting it, and can keep the ink...
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