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Alabaster 5kg

SKU: NAP-510-11ALB5K
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Ground alabaster (also called satin spar) is a natural crystalline mineral of hydrated calcium sulfate mined near Volterra (between Florence and Sienna), Italy. Softer than chalk (3 Mohs scale of mineral hardness), its hardness of 1.5 to 2 makes a soft white gesso that is easier to polish to a smooth finish for gilding bases and painting grounds. Calcite or chalk, being a carbonate, effervesces on exposure to acids, whereas gypsum alabaster, when so treated, remains practically unaffected.

Recommended in Cennino Cennini's treatise on painting, Il libro dell'arte (often translated as The Craftsman's Handbook), to make "gesso sottile" for painting grounds.

Add to oil colors and mediums as a transparent filler and to give body or in tempera as a white filler.



Shipping specs

Weight
11.00 Lbs
Dimensions
0" x 0" x 0"

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This product is shipped from our warehouse in Gretna, NE, USA.

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This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
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