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Coarse-grained marble #202 Locality: Johnnie Formation (late Proterozoic), San Bernardino County, California Dimensions: 10 x 9.2 x 4 cm Unknown blue/white and red fluorescent #591 Locality: "Secret Creek", Mayacamas Mts, Sonoma County, California (deposit discovered in 1993) Dimensions: 11 x 7.5 x 5.5 cm UV source: 35-watt filtered shortwave (254nm) BLCK Widow by Engenious Designs Shown under visible light and shortwave UV. Pyrophyllite #188 Locality: Mariposa County, California Dimensions: 6.8 x 3.8 x 2.5 cm Collected in the 1940s. |
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