Phil Mesa's Photo Gallery
343-R04Cavansite Ca(VO)Si4O10·4H2O , Stilbite Subgroup M6-7[Al8-9Si27-28O72]·nH2O , Calcite CaCO3
Dimensions: 8.5 cm x 4.5 cm x 3.5 cm
8.5 x 4.5 x 3.5 cm
Calcite rhombs dot the structure of the Cavansite crystals.
V9W-YU3Malachite Cu2(CO3)(OH)2
Dimensions: 9.5 cm x 9.2 cm x 5 cm
9.5cm x 9.2cm x 5cm
Malachite vug on an gossan matrix. The picture was taken under 10,000k rated fluorescent lights augmented with actinic blue fluorescents at 470nm hue.
4XV-AJFFluorite CaF2 , Muscovite KAl2(AlSi3O10)(OH)2
Dimensions: 5.5 cm x 3.3 cm x 2.8 cm
5.5 x 3.3 x 2.8 cm
Fluorite appears sparse octahedrons along the intergrown muscovite crystals.
EKT-N87Rhodochrosite MnCO3
Dimensions: 2 cm x 2.5 cm x 1.7 cm
Size 2cm x 2.5cm x 1.7cm.
This rhomb was recovered from a larger specimen. Rhombohedral cleavage is completely apparent in the specimen which is completely translucent when back-lit.
P7R-0Y0Wulfenite Pb(MoO4)
Dimensions: 0.7 cm x 0.75 cm x 0.1 cm
Measurements .7cm x .75cm x .1cm
Cut from a recently opened vug in a much more massive cabinet size specimen.
6PM-68YRhodochrosite MnCO3 , Tetrahedrite Subgroup Cu6(Cu4C2+2)Sb4S12S , Quartz SiO2
Dimensions: 32 cm x 25 cm x 22 cm
Very Large Cabinet- approx 32cm x 25cm x 22cm (estimated due to place in display cabinet). Largest Rhomb is approximately 6-8cm long.
Photo Taken at the Houston Museum of Natural Science. Nikon Coolpix 5700.
GCK-HYQCavansite Ca(VO)Si4O10·4H2O , Heulandite Subgroup (Na/Ca/K)5-6[Al8-9 Si27-28 O72]· nH2O , Calcite CaCO3
Dimensions: 9 cm x 8.5 cm x 5 cm
Large Cabinet, 9cm x 8.5cm x 5cm.
Acquired in May 2010 from the folks over at Mineral Decor. Rarely seen calcite rhombs dotting most of the specimen
