sedimentary
Bloodstone
Bloodstone is a dark green chalcedony with distinctive red spots, historically prized for its striking appearance and mystical associations.
Hardness 6.5–7India
Rocks & Minerals
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sedimentary
Chert
Chert is a hard, fine-grained sedimentary rock made mostly of microcrystalline quartz. It has been used for tools and construction throughout history.
Hardness 6.5–7India
sedimentary
Coal
Coal is a black or brownish-black sedimentary rock formed from ancient plant remains, primarily used as a fuel source.
India
sedimentary
Conglomerate
Conglomerate is a coarse-grained sedimentary rock made of rounded clasts bound by a matrix. It forms in high-energy environments like rivers.
India
sedimentary
Dolomite
Dolomite is a sedimentary carbonate rock mainly made of the mineral dolomite, often resembling limestone.
Hardness 3.5–4India
sedimentary
Gypsum Rock
Gypsum rock is a soft, sedimentary rock made primarily of calcium sulfate. It is widely used in construction and agriculture.
Hardness 1.5–2India
sedimentary
Limestone
Limestone is a sedimentary rock primarily made of calcium carbonate, often formed from marine life remains.
Hardness 3–4India
sedimentary
Sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized mineral grains. It is widely used in construction and landscaping.
Hardness 6–7India
sedimentary
Shale
Shale is a fine-grained sedimentary rock composed mainly of clay minerals and silt-sized particles. It is known for its ability to split into thin layers.
Hardness 3–3.5India