Hydrohalloysite from Pacific Plate
USA | |
| Jahns, Richard Henry & Wright, Lauren A. (1951), Gem and lithium-bearing pegmatites of the Pala district, San Diego County, California. California Division of Mines Special Report 7-A: p. 31. |
| Patterson,Sam H. and Murray,Haydn H. (1984) Kaolin,Refractory Clay,Ball Clay,and Halloysite in North America, Hawaii, and the Caribbean Region: USGS Professional Paper 1306 |