<![CDATA[1A Collections]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/browse?tags=olivine&output=rss2 Tue, 09 Apr 2024 21:16:22 +0100 p1acollections@esc.cam.ac.uk (1A Collections) Zend_Feed http://blogs.law.harvard.edu/tech/rss <![CDATA[Serpentine]]> https://wserv3.esc.cam.ac.uk/p1acollections/items/show/54

Title

Serpentine

Subject

Serpentine is a common alteration product of olivine, produced by hydration at low temperatures.

Description

Formula

Mg3[Si2O5](OH)4

Structure

Sheet silicate

Crystal System

Crystal system: monoclinic or orthorhombic (-)

Optical Properties

Serpentine is commonly very fine-grained. It can be recognised by its textural association with olivine and by its low birefringence and habit.

Colour in plane polarised light: green 
Relief: low 
Birefringence: 1st order

Rock Specimens

L141 Gabbro 
L162 Basalt, porphyritic 
L172 Ultramafic cumulate

Mineral Name

serpentine
serpentine_CS.jpg
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