Recent Examples of feldspar from the Web
Connecticut has 304 identified mineral deposits, the most commonly listed are feldspar, iron, and mica.
One of those the-world-and-all-its-banks-are-mine skulls that looks like it’s made of feldspar and weighs a metric ton.
Dating of quartz and feldspar grains provided estimates between approximately 62,000 and 85,000 years old, lining up neatly with the U-series dates.
A new paper in Nature tries to quantify some of these questions by looking at the age and compositional data recorded in plagioclase feldspar crystals.
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FELDSPAR Defined for English Language Learners
Definition of feldspar for English Language Learners
: a very common type of mineral
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