Hypersthene

Hypersthene is a common rock-forming inosilicate mineral belonging to the group of orthorhombic pyroxenes. Many references have formally abandoned this term, preferring to categorise this mineral as enstatite or ferrosilite. It is found in igneous and some metamorphic rocks as well as in stony and iron meteorites. It forms a solid solution series ...
Found on http://en.wikipedia.org/wiki/Hypersthene

Hypersthene

• (n.) An orthorhombic mineral of the pyroxene group, of a grayish or greenish black color, often with a peculiar bronzelike luster (schiller) on the cleavage surface.
Found on http://thinkexist.com/dictionary/meaning/hypersthene/

Hypersthene

Hy'per·sthene (hī'pẽr*sthēn) noun [ Greek 'ype`r over + sqe`nos strength: confer French hyperstène .] (Min.) An orthorhombic mineral of the pyroxene group, of a grayish or greenish black color, often with a peculiar bronzelike luster (schiller) ...
Found on http://www.encyclo.co.uk/webster/H/82

hypersthene

An important rock-forming silicate of magnesium and iron, (Mg, Fe)SiO3, that crystallizes in the orthorhombic system.
Found on http://www.daviddarling.info/encyclopedia/H/hypersthene.html

Hypersthene

Enstatite
Found on http://www.translationdirectory.com/glossaries/glossary077.htm

Hypersthene

Hypersthene or Labrador hornblende is an orthorhombic mineral of the pyroxene group, of a greyish or greenish black colour, often with a peculiar bronze like lustre (schiller) on the cleavage surface. It was first found on the coast of Labrador, and was called Labrador hornblende.
Found on http://www.probertencyclopaedia.com/browse/HH.HTM
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