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STONE AND MINERALS
![]() Tom Otterness, Creation MythOutdoor limestone can be host to mold and other organic growths, and can collect carbon and pollutants on its rough surface. | ![]() Tom Otterness, Creation MythBefore cleaning | ![]() Tom Otterness, Creation MythAfter cleaning |
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![]() Tom Otterness, Creation MythBefore cleaning | ![]() Tom Otterness, Creation MythAfter cleaning | ![]() |
![]() | ![]() | ![]() Ancient Venus (Valdivia, Chile)Before treatment: this 4,500 year old tuff stone carving had been previously repaired with super glue. |
![]() Ancient Venus (Valdivia, Chile)After treatment: the previous repairs were irreversible without risking damage to the fragile stone. So the glue was cleaned from the surface, and the break lines were filled and very conservatively colored. | ![]() Ancient Venus (Valdivia, Chile)Back before treatment | ![]() Ancient Venus (Valdivia, Chile)Back after treatment |
![]() Marble Bust of A WomanBefore treatment: missing large section of lace on hat | ![]() Marble Bust of A WomanAfter treatment: missing piece molded, cast in resin, and attached to hat. | ![]() Marble Bust of A WomanDetail of missing piece of marble lace |
![]() Marble Bust of A WomanDetail after creation of missing piece | ![]() Mable Clock Case #1Before treatment | ![]() Marble Clock Case #1After treatment |
![]() Marble Clock Case #1Detail before treatment | ![]() Marble Clock Case #1Detail after treatment | ![]() Marble Clock Case #2Before treatment |
![]() Marble Clock Case #2After treatment | ![]() | ![]() Outdoor Mary sculpture handRestoration in process: new hand sculpted in clay, molded, and cast in outdoor lime-based resin |
![]() Sandstone BuddhaBefore treatment: broken at proper left leg | ![]() Sandstone BuddhaAfter treatment | ![]() 19th century Marble Bust of PanBefore and after cleaning |
![]() 19th century Marble Bust of PanBefore and after cleaning | ![]() Modern Japanese garden lantern coverBefore and after cleaning | ![]() Modern Japanese garden lantern coverBefore and after cleaning |
![]() Mica lampshadeBefore and after treatment: dirty mica and flaking paint | ![]() WPA Federal Arts Project sculptureBefore and after cleaning: the cast stone sculpture had been outside for 80 years. Archival detergents and biocides were used to remove pollutants and organic growths. | ![]() Marble bust of a veiled lady |
![]() Marble bust of a veiled ladyBefore treatment: several cracks had opened in the stone. | ![]() Marble bust of a veiled ladyAfter treatment: the cracks were cleaned and sealed. | ![]() Marble bust of a veiled ladyDetail before treatment: crack at back shoulder |
![]() Marble bust of a veiled ladyDetail after treatment: crack at back shoulder | ![]() Marble bust of a veiled ladyDetail before treatment: top of head | ![]() Marble bust of a veiled ladyDetail after treatment: top of head |
![]() Jadeite urn lid | ![]() Jadeite urn lidDetail, before treatment | ![]() Jadeite urn lidAfter treatment: the missing pieces were left unfilled. |
![]() Marble fireplace mantelBefore cleaning | ![]() Marble fireplace mantelDuring treatment: poulticing in process | ![]() Marble fireplace mantelAfter cleaning |
![]() Stacked malachite altarpiece carvingThis tall, heavy carving was meant to come apart into five pieces. But a very large portion of the original stone was missing (including one of the foo dogs used as "feet"), and the client wanted a full restoration. | ![]() Stacked malachite altarpiece carvingSilicone rubber molds were made of elements that were identical to the missing pieces. | ![]() Stacked malachite altarpiece carvingIn process: the original material is all assembled, and the missing foot has been created for stability. |
![]() Stacked malachite altarpiece carvingIn process: the missing pieces have been cast from resin, and attached to the urn. | ![]() Stacked malachite altarpiece carvingAfter treatment: all the new material has been colored to match the original malachite. | ![]() Stacked malachite altarpiece carvingDetail before treatment: this stackable element was temporarily propped up on sticks to aid some of the previous treatment processes. |
![]() Stacked malachite altarpiece carvingDetail during treatment: the missing pieces have been cast and attached. | ![]() Stacked malachite altarpiece carvingDetail after treatment: the cast sections have been colored to match the stone. | ![]() Stacked malachite altarpiece carvingDetail before treatment |
![]() Stacked malachite altarpiece carvingDetail during treatment | ![]() Stacked malachite altarpiece carvingDetail after treatment | ![]() Stacked malachite altarpiece carvingDetail after treatment |
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