feldspar microline var amazonite rock

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Rock with alunite sulphate Royalty Free Stock Photo

Rock with celestina sulphate Royalty Free Stock Photo

Rock with chalk sulphate Royalty Free Stock Photo

Rock with zipeite sulphate Royalty Free Stock Photo

Feldspar microline, var. amazonite rock. Geological collection in Colombia for geologists. Study of soils, minerals and rocks. Identification of rocks and minerals. Professional career in geology. Textures and backgrounds, rocky effects. Background with rock texture, rough. Geologists and soil scientists. Sample obteined in Patterson Twp., Ontario. Geology.