Marble (toy) conventions. Additionally, many glass artisans produce art marbles for the collectors' market only, with some selling for thousands of dollars. Marbles are made using many techniques. They can be categorized into two general types: hand-made and machine-made. Marbles were originally made by hand. Stone or ivory marbles can be fashioned by grinding. Clay, pottery, ceramic, or porcelain marbles can be made by rolling the material into a ball, and then letting dry, or firing, and then can be left natural, painted, or glazed. Clay marbles, also known as "crock marbles" or "commies" ("common"), are made of slightly porous clay, traditionally
Amaravati Marbles Amaravati Marbles The Amaravati Collection, sometimes called the Amaravati Marbles, is a series of 120 sculptures and inscriptions in the British Museum from the Amaravathi Mahachaitya in Amaravathi, Guntur in the Indian state of Andhra Pradesh. The Amaravati artefacts entered the Museum's collection in the 1880s. The Amaravati sculptures have also been called the Elliot Marbles on account of their association in with Sir Walter Elliot in the 1840s. The Amaravati collection in the British Museum consists of over 120 different pieces made from a limestone called Palnad marble; although the material is certainly not marble and the source of