| 10879: Calcite, Gypsum variety Selenite,
Pyrite and Quartz - $18 Naica, Saucillo Municipality, Chihuahua, Mexico Miniature - 5.3 x 4.4 x 4.0 cm 57 grams Fluorescent (LW/SW) Specimen status: Available Send an email with specimen number to order A 3.8 cm, translucent and lightly
frosted calcite crystal sits atop a matrix of transparent
gypsum (variety selenite). The calcite displays modest,
red fluorescence under both longwave UV (blacklight) and
shortwave UV. Minor and small but bright pyrite crystals
to a few mm are also present as well as a single 1.1 cm
quartz point.
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