EM-210 (White Clay) and EM 217 (WED CLAY) for masks and monsters is the go to clay for large scale Monster Sculptures for film and TV work.
Boxoffice-May.21.1979
Keiji Fujiwara - Wikipedia
List of references to Star Wars in movies
The Origins of Halloween Traditions
WED Clay
Clinochlore: Mineral information, data and localities.
WED Clay
Ed Head Armature H2.0
EM210 – Laguna Cone 04-06 White Earthenware – Krueger Pottery Supply
Tremolite: Mineral information, data and localities.
A great water-based clay for large sculptures. It has a smooth, fine grain and hardens to a leathery finish with less cracking than most water-based
Laguna WED Clay EM-217 50lb (Do Not Fire)
The Monster Makers Sculpting and Mold Making Compounds
WED Clay