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A commodity price index is a fixed-weight index or (weighted) average of selected commodity prices, which may be based on spot or futures prices.It is designed to be representative of the broad commodity asset class or a specific subset of commodities, such as energy or metals.
Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium. It is followed by caesium, iridium and palladium by mass and iridium, gold and platinum by volume.
The Precious Metals, Comprising Gold, Silver and Platinum. New York: D. Van Nostrand Company, 1909: 255. — "Pure platinum, according to G. Matthey has a density of 21.46." 79 Au gold; use: 19.3 g/cm 3: WEL (near r.t.) 19300 kg/m 3: LNG (at r.t.) 19.3 g/cm 3: CRC (near r.t.) 19.3 g/cm 3: 81 Tl thallium; use: 11.85 g/cm 3: WEL (near r.t.) 11850 ...
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The Welcome Stranger is the largest alluvial gold nugget ever found, which had a calculated refined weight of 97.14 kilograms (3,123 ozt). Three of the biggest nuggets come from the Brazilian Serra Pelada mine. Most of the largest nuggets were melted down into ingots and so only have historical records of their size and mass.
Top equal-weight index funds *Fund data as of May 9, 2024. Invesco S&P 500 Equal Weight ETF (RSP) The Invesco S&P 500 Equal Weight ETF tracks an equal weight S&P 500 index and is rebalanced quarterly.
The composition of the Earth changed after its formation due to loss of volatile compounds, melting and recrystalization, selective loss of some elements to the deep interior, and erosion by water. [ 3 ] : 55 The lanthanides are especially difficult to measure accurately.
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