Home / ID Guides / Rocks and Minerals 113
- Hematite
Description: Irregular lump of hematite with grinding on several surfaces. Dimensions: 9.9 x 5.2 x 5.1 cm. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Malachite Ore
Description: Malachite ore in a sandstone matrix. This is the largest piece of malachite recovered from Tuzigoot. Dimensions: 15 x 13 x 8.5 cm; weight 5 lbs 2 oz. Collection: On display at the Tuzigoot National Monument Visitor Center (catalog card). - Presley Wash Obsidian
Description: Presley Wash obsidian is actually a sub-vitreous rhyolite ranging from black to gray-green to opaque gray. Sanidine phenocrysts are often present in the matrix, as seen in both samples depicted here. The source of this material is in Presley Wash, east of Round Mountain, Arizona, and in the alluvium south of the juncture of Partridge Creek and Presley Wash in the same area. - Government Mountain Obsidian
Description: Government Mountain obsidian comes from the slopes of Government Mountain in the San Francisco Volcano Field near Flagstaff, Arizona. The material is fine-grained and generally lacking phenocrysts, but appears granular because of the presence of alkali feldspar in the matrix. - Partridge Creek Obsidian
Description: Partridge Creek, or Round Mountain, obsidian is found in the Mount Floyd volcanic field in southwest Coconino County, Arizona on the southeast flank of Round Mountain and in secondary deposits along Partridge Creek. The cortex of this obsidian ranges from gray-black to brown-black. The matrix is very glassy and typically opaque black, but thin flakes are cloudy gray and sometimes have cloudy banding. - Narbona Pass Chert
Description: Narbona Pass chert, previously known as Washington Pass chert, is a cryptocrystalline chert with a pure pink hue. The only known source for this material is in the Chuska Mountains of New Mexico. - Kaibab Chert
Description: Kaibab chert forms as nodules within the Kaibab Formation limestones of the Colorado Plateau. The brown mottling in the material consists primarily of the silica skeletons of ancient sponges of the genus Actinocoelia. - Turquoise
- lignite raw buttons
- Beads
Description: Turquoise and coral beads or pendants from a cache of vessels found near the Boucher Trail. Dimensions: Unknown. Provenience: B:16:233 (GRCA); Boucher Trail Cache. Collection: Grand Canyon National Park (Catalog No. GRCA 34974-34976). - Turquoise Pendant
Cultural Period: Ancestral Puebloan (Wupatki Pueblo, A.D. 1130 – A.D. 1260) Description: Rectangular turquoise pendant from Wupatki Pueblo. Dimensions: 3 cm (H) x 2 cm (W). Collection: On display at Wupatki National Monument (catalog card). - Argillite Nose Plug
Cultural Period: Ancestral Puebloan (Wupatki Pueblo, A.D. 1130 – A.D. 1260) Description: Red argillite nose plug from Wupatki Pueblo. Dimensions: 0.7 in. Collection: On display at Wupatki National Monument (catalog card). - steatite ring
- Argillite Pendant
Cultural Period: Ancestral Puebloan (Wupatki Pueblo, A.D. 1130 – A.D. 1260) Description: Carved and ground argillite pendant from Wupatki Pueblo. Dimensions: 2.9 cm (diameter) x 0.28 cm (T) (1.14 in (diameter) x 0.11 in (T). Collection: On display at Wupatki National Monument (catalog card). - Steatite Nose Plug
Cultural Period: Ancestral Puebloan (Wupatki Pueblo, A.D. 1130 – A.D. 1260) Description: Small nose plug carved from steatite. The plug came from the surface of Wupatki Pueblo, and it is speculated that it may have been a child's because of the small size. Dimensions: 1.9 (L) x 0.85 (W) cm ( 0.75 (L) x 0.33 (W) in). Collection: On display at Wupatki National Monument (catalog card).