Lime

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Lime or limestone belongs to the sedimentary rocks and consists mainly of the minerals calcite and aragonite, which are two different forms of crystallisation of calcium carbonate (CaCO3). Other minerals are often added in varying proportions, such as dolomite (CaMg(CO3)2), which, in addition to calcium, contains magnesium, which is open to light and is also found in the green leaves (chlorophyll) of plants, where it enables photosynthesis; other minerals include clay minerals, quartz, gypsum and others. Lime rich in clay minerals is called marl.

Literature

References to the work of Rudolf Steiner follow Rudolf Steiner's Collected Works (CW or GA), Rudolf Steiner Verlag, Dornach/Switzerland, unless otherwise stated.
Email: verlag@steinerverlag.com URL: www.steinerverlag.com.
Index to the Complete Works of Rudolf Steiner - Aelzina Books
A complete list by Volume Number and a full list of known English translations you may also find at Rudolf Steiner's Collected Works
Rudolf Steiner Archive - The largest online collection of Rudolf Steiner's books, lectures and articles in English.
Rudolf Steiner Audio - Recorded and Read by Dale Brunsvold
steinerbooks.org - Anthroposophic Press Inc. (USA)
Rudolf Steiner Handbook - Christian Karl's proven standard work for orientation in Rudolf Steiner's Collected Works for free download as PDF.