{"product_id":"rublev-grounds-bologna-chalk","title":"Bologna Chalk 1kg","description":"\u003cp class=\"\" style=\"white-space:pre-wrap;\"\u003eA natural mineral imported from Bologna, Italy composed of monoclinic prismatic crystals of hydrated calcium sulfate-carbonate. This is a finely-ground whiting that combines the advantages of both chalk (calcium carbonate) and gypsum (calcium sulfate) for making painting and gilding grounds that are brilliant white.\u003c\/p\u003e\u003cp class=\"\" style=\"white-space:pre-wrap;\"\u003eUse this whiting to make a gesso base for gilding that is easier to polish, yet mechanically strong. Use Bologna chalk in painting grounds that make a compact, durable surface for egg and casein tempera, distemper, encaustic, and oil paint.\u003c\/p\u003e\u003cp class=\"\" style=\"white-space:pre-wrap;\"\u003eAdd this filler to oil colors and mediums to create textural and bodying qualities to oil paint without affecting the color.\u003c\/p\u003e","brand":"Soho-Art-Materials.com","offers":[{"title":"1kg","offer_id":47921273930021,"sku":"510-11BLC1K","price":27.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0840\/9130\/6277\/files\/bologna_chalk.jpg?v=1707505870","url":"https:\/\/www.sohoartmaterials.sbs\/products\/rublev-grounds-bologna-chalk","provider":"Soho-Art-Materials.com","version":"1.0","type":"link"}