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TONSTEIN PERLE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-03-02

English

Subject field(s)
  • Petrography
OBS

This type of tonstein consists predominantly of kaolinite grains of lighter or darker shades, often surrounded by collinite. The grains show a cryptocrystalline to finely crystalline structure (...)

French

Domaine(s)
  • Pétrographie
DEF

Composé de grains de kaolinite de teinte claire ou foncée, crypto - ou finement cristallins, souvent entourés de collinite.

Spanish

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