Nathan Robey's Photo Gallery
3JJ-5J7Shattuckite Cu5(Si2O6)2(OH)2 , Quartz SiO2
Dimensions: 3.5 cm x 3.2 cm x 2.7 cm
Field of View: 0.5 mm
Weight: 24 g
A cute little shattuckite 'caterpillar' shot downscope with my IphoneX through the lens of my Mindat Microscope under 20x magnification.
1A1-6XNCalcite CaCO3
Dimensions: 12.7 cm x 10.1 cm x 8.1 cm
Weight: 432 g
Two generations of hematite included calcite. the variable hematite content adds great contrast to the specimen.
MC4-DGWFluorite CaF2
Dimensions: 11.9 mm x 8.3 mm x 6.9 mm
Weight: 667 g
4TC-C9VCavansite Ca(VO)Si4O10·4H2O , Stilbite Subgroup M6-7[Al8-9Si27-28O72]·nH2O
Dimensions: 3.7 cm x 3.5 cm x 1.9 cm
Weight: 21 g
A beautiful little ball of cavansite perched on top of stilbite.
P38-1PEFluorite CaF2 , Quartz (Var: Amethyst) SiO2
Dimensions: 8.0 cm x 4.5 cm x 2.1 cm
Weight: 111 g
Two generations of fluorite with a layer of amethyst nestled between them. The bottom of the specimen shows casts where either calcite or barite, more likely barite, weathered away.
8D4-Q4JEpidote (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH) , Amphibole Supergroup (Var: Byssolite) AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Dimensions: 6.9 cm x 6.2 cm x 5.1 cm
Weight: 83 g
This specimen just reminds me of a Christmas tree. The white byssolite adds great contrast to the green epidote crystals. I obtained this specimen at Geological Society of America conference at Virginia Tech.
TN1-EJ3Fluorite CaF2
Dimensions: 6.7 cm x 4.5 cm x 3.2 cm
Weight: 106 g
A sharp lustrous well zoned cubic fluorite that exhibits daylight fluorescence changing from a gray to purple hue.
CXX-3Y7Copper Cu
Dimensions: 14.0 cm x 10.5 cm x 2.8 cm
Weight: 349 g
This outstanding large arborescent Australian copper is from a fairly recent find back in late 2017. The repeated branching patterns coupled with the excellent patina make this a truly exceptional specimen.
