Amphibole Group

Amphibole Group

Complex family of hydrous double-chain inosilicate minerals. Amphiboles are common in terrestrial metamorphic and igneous rocks, forming in the presence ... Read More
West Texas: 6.7g Meteorite

Ash Creek Expedition: 6.7g Meteorite Find!

Hunting meteorites is rarely an easy task. Here is a diary of Eric Wichman's trials and tribulations over the course ... Read More
Biblical References to Meteors and Meteorites

Biblical References to Meteors and Meteorites

The Original Testament and the New Testament offer many examples of possible destruction from the sky by meteors and meteorites ... Read More

Chelyabinsk, Russia Meteor – Feb. 15, 2013

Over 1 t of meteorites were recovered from one of the biggest meteorite falls ever recorded.  ... Read More
Condensation Temperatures of the Elements (Volatile & Refractory)

Condensation Temperatures of the Elements (Volatile & Refractory)

The primary cosmochemical classification of the elements is based on their volatility within the solar nebula. Each element's equilibrium (50%) ... Read More
Craters Formed by Meteor Impacts

Craters Formed by Meteor Impacts

When a meteor is of sufficient size, its impact will leave a crater and in rare cases, meteorites will be ... Read More
Definition: Asteroid, Meteorite, Meteor, Meteoroid, Planet & Other Related Terms

Definition: Asteroid, Meteorite, Meteor, Meteoroid, Planet & Other Related Terms

Meteorite A natural solid object larger than 10 μm in size that was ejected by the impacts between meteoroids and/or ... Read More
Don't Throw Away that Hot Rock!

Don’t Throw Away that Hot Rock!

Attention metal detectorists and treasure/relic hunters! STOP!!! Don't throw away any hot rocks until you check and verify they are ... Read More
Ethics of Collecting Meteorites

Ethics of Collecting Meteorites

Meteorite hunters, dealers and collectors are lucky because they enjoy relatively broad support from museum curators and researchers. The reasons ... Read More
Feldspar structure

Feldspar Group

Most abundant rock-forming silicate minerals in Earth's crust. Feldspars are common in almost all stony meteorites including lunar and martian ... Read More
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