HM420TF: Very aerial group of complex Azurite crystals, with well defined faces and edges, translucent and with the extraordinary deep blue color (“electric blue”) typical of the best specimens from Milpillas. With vivid internal reflections and transparent parts under intense light and with coatings of acicular Malachite crystals.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (2013)

Specimen size: 4.4 × 4.2 × 1.9 cm = 1.73” × 1.65” × 0.75”

Main crystal size: 1.6 × 1.4 cm = 0.63” × 0.55”