• LAB Sillimanite

    Found at the site of the old Bonnyside Brickworks, Bonnybridge. Unidentified maker. Find location would

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  • 9309 Stein Sillimanite

    Found at Manuel Works, Whitecross by Ian Suddaby. Stein, Castlecary Fireclay Works, Castlecary, Stirlingshire.

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  • Stein Sillimanite

    Found at Stein Manuel Works, Whitecross Stein Sillimanite – this has high alumina content. AL2O2 –

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  • Stein Sillimanite

    Found at the Stein Castlecary Works Stein Sillimanite – this has high alumina content. AL2O2 – S1O2.

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  • Stein Sill

    Found at Stein Manuel Works, Whitecross Stein Sillimanite – this has high alumina content. AL2O2 –

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  • N Sillimanite

    This brickmark is referred to in a Bonnybridge Silica & Fireclay Co Ltd brochure This may have also

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