Vesuvianite and Californite: Working Green Idocrase Stone
Vesuvianite, also called idocrase, forms a massive green ornamental variety known as californite. What its hardness and geology mean for cutting and finishing.
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Stone Fabrication News & Guides
Expert tips, how-to guides, and industry news for stone fabrication professionals. Learn about granite, marble, quartz countertop fabrication, tool maintenance, and shop management.
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Diatomite Slabs: Fabricating Fossil Diatom Silica Rock
Diatomite is a biogenic silica rock built from fossil algae shells. What its extreme porosity and low density mean for cutting, handling and realistic uses.
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Halite and Rock Salt Panels: Working Soluble Stone
Fabricating halite salt panels: dry cutting only, blade and dust control, adhesive and frame choices, backlighting, humidity limits, and service life.
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Jet and Anthracite: Fabricating Organic Black Stone
Jet is lignite, not a mineral, and anthracite is the highest rank of coal. A fabricator's guide to cutting, bonding and protecting organic black stone.
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Blue John and Fluorite: Working Britain's Banded Stone
A fabricator's guide to Blue John fluorite: why a Mohs 4 mineral with perfect cleavage needs resin, low speeds, cool polishing and careful client advice.
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Pyroxenite Slabs: Fabricating Ultramafic Dark Stone
Pyroxenite sells as black granite but it is ultramafic, dense and low in quartz. Weight, tooling, cleavage, polishing and care for very dark, very dense slabs.
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Stromatolite Limestone Slabs: Working Fossil-Layered Stone
Stromatolitic limestone is a soft, acid-sensitive carbonate with built-in weak planes. How to identify, cut, fill, polish and specify layered dimension stone.
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Selenite and Gypsum Slabs: Working the Softest Stone
Selenite is Mohs 2, water-soluble, and splits on three cleavage planes. A practical fabricator guide to cutting, finishing, and installing gypsum stone.
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Chalk and Soft Limestone: Fabricating Low-Density Carbonate
Chalk-grade carbonate is porous, weak when saturated, and unforgiving. A fabricator guide to cutting, finishing, sealing, and handling soft limestone safely.
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Marl and Argillite: Working Soft Clay-Rich Sedimentary Stone
Marl and argillite are soft, variable, moisture-sensitive stones. How to cut, support, set and seal them, plus the honest limits worth telling a client.
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Greywacke Slabs: Fabricating Dense Sedimentary Stone
Greywacke pairs hard angular grains with a soft clay matrix. How that mismatch drives blade choice, edge work, finish limits, sealing and where the stone fits.
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Itabirite Slabs: Fabricating Banded Iron Formation Stone
Itabirite slabs pair quartz and hematite bands. How mixed hardness wears tooling, why foliation dictates layout, plus weight, sealing and oxidation risk.
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Peridotite and Dunite Slabs: Fabricating Mantle Rock
Peridotite and dunite slabs are mantle rock. How olivine drives density and blade wear, why serpentinization matters, and where the material works best.
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