Ruby from Pacific Plate
New Zealand | |
| Christie, T., Brathwaite, B., Thompson, B. (1993) Mineral commodity report 1-aluminium. Institute of Geological and Nuclear Sciences Ltd. |
USA | |
| Shepherd, H. V. (2010, March). Zr-in-rutile Thermometry of a Ruby-bearing Metamorphic Rock, Cascade Canyon, San Bernardino County, CA. In Geological Society of America Abstracts with Programs, (Vol. 42, No. 1, p. 160). |
Cascade Canyon, San Bernardino County, California, USA