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Lignite is a variety of coal formed either directly from wood (zyloid lignite) or from compressed plant materials (compact or perfect lignite). When used in jewelry, lignite is more commonly called jet.
- Jet Pendant
Cultural Period: Ancestral Puebloan, Atsinna Pueblo (A.D. 1275 – mid-1300s) Description: Conically perforated and bifacially ground broken jet pendant. Dimensions: L 2.9, W 1.5, T 0.4 CM. Provenience: LA 99 (Atsinna Pueblo), Main Plaza, Test 1, 34.65-40.00 M, 10-50 CM. Collection: National Park Service, El Morro. - Worked Jet
Cultural Period: Ancestral Puebloan Description: Jet pendant fragment. Dimensions: Unknown. Collection: On display at Navajo National Monument (Catalog No. 1269 and 291). - Cylinder
Cultural Period: Ancestral Puebloan Description: Shaped black stone cylinder. The cylinder is described as being very heavy, and may be lignite. Dimensions: 7/8 L x 5/16 T (inches). Collection: On display at Navajo National Monument (Catalog No. 205). - lignite raw buttons