AC18.10661

Andesite (ferroan enstatite)

The material consists of andesite (ferroan enstatite) rock sourced from an operating (Allandale) quarry located approx. 40 km northwest of the city of Newcastle in New South Wales, Australia. This light grey, Carboniferous rock forms a small, hydrothermally altered, remnant volcanic (Blair Duguid) inlier within gentle to moderately folded Permian shallow marine sediments of the Sydney Basin. The mineralogy consists of andesine plagioclase (44 %), vermiculite, smectite (37 %), quartz amygdales (13 %) and hypersthene clinopyroxene (3 %).

AC18.10661 is available as 50 g units packed into glass, wide-mouth jars.

Analyte Certified Value 1SD Expanded Uncertainty Low Expanded Uncertainty High Method
Al2O3, Aluminium(III) oxide (wt.%) 16.70 0.362 16.42 16.99 Various analytical methods
As, Arsenic (ppm) < 5.00 IND IND IND Various analytical methods
B, Boron (ppm) < 50 IND IND IND Various analytical methods
Ba, Barium (ppm) 292 23 282 302 Various analytical methods
Be, Beryllium (ppm) 0.98 0.19 0.74 1.22 Various analytical methods
Bi, Bismuth (ppm) < 2.00 IND IND IND Various analytical methods
CaO, Calcium oxide (wt.%) 5.62 0.137 5.51 5.72 Various analytical methods
Cd, Cadmium (ppm) < 10.0 IND IND IND Various analytical methods
Ce, Cerium (ppm) 32.8 2.80 30.5 35.0 Various analytical methods
Co, Cobalt (ppm) 18.6 1.48 16.8 20.4 Various analytical methods
Cr2O3, Chromium(III) oxide (ppm) 97 20 73 121 Various analytical methods
Cs, Caesium (ppm) 0.83 0.16 0.62 1.05 Various analytical methods
Cu, Copper (ppm) 47.9 4.40 39.2 56.6 Various analytical methods
Dy, Dysprosium (ppm) 3.47 0.218 3.10 3.84 Various analytical methods
Er, Erbium (ppm) 1.99 0.170 1.74 2.24 Various analytical methods
Eu, Europium (ppm) 1.11 0.074 1.01 1.22 Various analytical methods
Fe2O3, Iron(III) oxide (wt.%) 6.14 0.129 6.04 6.25 Various analytical methods
Ga, Gallium (ppm) 18.1 1.09 16.3 19.9 Various analytical methods
Gd, Gadolinium (ppm) 3.92 0.233 3.50 4.33 Various analytical methods
Ge, Germanium (ppm) 1.02 0.083 0.89 1.15 Various analytical methods
Ho, Holmium (ppm) 0.66 0.041 0.57 0.74 Various analytical methods
In, Indium (ppm) < 0.20 IND IND IND Various analytical methods
K2O, Potassium oxide (wt.%) 0.763 0.035 0.739 0.787 Various analytical methods
La, Lanthanum (ppm) 15.3 0.84 14.3 16.3 Various analytical methods
Li, Lithium (ppm) 15.9 1.00 14.0 17.8 Various analytical methods
LOI1000, Loss On Ignition @1000 °C (wt.%) 4.90 0.83 4.07 5.74 Various analytical methods
Lu, Lutetium (ppm) 0.28 0.024 0.24 0.33 Various analytical methods
MgO, Magnesium oxide (wt.%) 3.27 0.075 3.21 3.32 Various analytical methods
MnO, Manganese oxide (wt.%) 0.088 0.004 0.086 0.091 Various analytical methods
Mo, Molybdenum (ppm) < 5.00 IND IND IND Various analytical methods
Na2O, Sodium oxide (wt.%) 4.27 0.072 4.20 4.34 Various analytical methods
Nb, Niobium (ppm) 3.71 0.97 2.72 4.69 Various analytical methods
Nd, Neodymium (ppm) 18.9 0.81 16.8 21.0 Various analytical methods
Ni, Nickel (ppm) 31.3 4.4 24.2 38.3 Various analytical methods
P2O5, Phosphorus(V) oxide (wt.%) 0.233 0.012 0.223 0.243 Various analytical methods
Pr, Praseodymium (ppm) 4.27 0.322 3.91 4.64 Various analytical methods
Rb, Rubidium (ppm) 17.4 0.39 16.5 18.3 Various analytical methods
Sb, Antimony (ppm) < 2.00 IND IND IND Various analytical methods
Sc, Scandium (ppm) 15.5 0.57 14.3 16.7 Various analytical methods
SiO2, Silicon dioxide (wt.%) 57.67 1.034 56.74 58.59 Various analytical methods
Sm, Samarium (ppm) 4.06 0.47 3.56 4.56 Various analytical methods
Sr, Strontium (ppm) 634 53 594 673 Various analytical methods
Ta, Tantalum (ppm) < 5.00 IND IND IND Various analytical methods
Tb, Terbium (ppm) 0.56 0.054 0.44 0.68 Various analytical methods
Te, Tellurium (ppm) < 1.00 IND IND IND Various analytical methods
Th, Thorium (ppm) 1.81 0.22 1.61 2.01 Various analytical methods
TiO2, Titanium dioxide (wt.%) 0.713 0.023 0.696 0.730 Various analytical methods
Tl, Thallium (ppm) < 0.50 IND IND IND Various analytical methods
Tm, Thulium (ppm) 0.27 0.03 0.24 0.31 Various analytical methods
U, Uranium (ppm) 0.53 0.07 0.40 0.65 Various analytical methods
V, Vanadium (ppm) 130 14 118 142 Various analytical methods
W, Tungsten (ppm) < 5.00 IND IND IND Various analytical methods
Y, Yttrium (ppm) 18.3 1.47 17.0 19.6 Various analytical methods
Yb, Ytterbium (ppm) 1.85 0.20 1.49 2.21 Various analytical methods
Zn, Zinc (ppm) 79 4.0 72 87 Various analytical methods
Zr, Zirconium (ppm) 127 7 115 138 Various analytical methods
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