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# feldspar

noun (feldspar, feldspars)

«feldspar» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

(science) A very common group of light-coloured minerals found in many rocks, such as granite. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#m1)

### In the lessons

In science lessons on rocks: granite is made of feldspar, quartz and mica. Feldspar is often pink, white or grey. It is used to make glass and pottery glaze.

### Examples

- Granite contains feldspar, quartz and mica. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#x1)
- The pink crystals in the rock are feldspar. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#x2)
- Feldspar is used in making glass and pottery. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#x3)
- We looked at feldspar under a magnifying glass. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#x4)
- Feldspar is softer than quartz. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#x5)
- Most rocks in the Earth's crust contain feldspar. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/#x6)

### Note

Usually uncountable; «feldspars» for different types. Spelled feldspar (UK also felspar). On the hardness scale feldspar is 6, quartz is 7.

## On Mova

- [Trees and pragmatics of «feldspar» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/F/feldspar/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«feldspar» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/feldspar.html) on Mova free.