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Mongabay News on MSN21h
New research finds substantial peat deposits in Colombia’s conflicted Amazon
In the heart of the Colombian Amazon, the towering mountains of the Serranía del Chiribiquete harbor secrets including South ...
Exchange Rates23h
Colombian Peso (COP) to US Dollar (USD) exchange rate history
Friday 18 April 2025 1 COP = 0.00023240 USD 0.00023240 0.00023240 COP USD rate for 18/04/2025 Thursday 17 April 2025 1 COP = 0.00023240 USD 0.00023202 0.00023026 COP USD rate for 17/04/2025 ...
Gemological Institute of America23h
Three-Phase Inclusions in Emerald and Their Impact on Origin Determination
The faceted sample measures 6.29 × 5.35 × 3.53 mm and weighs 0.97 ct. Photo by N. Kitdee. The traditional practice of assigning Colombian origin to emeralds exhibiting three-phase inclusions (Giuliani ...