Mineralogical Terms

noun a rock that has been changed by extreme heat and pressure

adjective relating to or resulting from metamorphosis, or a change in form or nature

• Metamorphic rocks are formed from pre-existing rocks that have undergone intense heat and pressure.
• Did you know that metamorphic rocks can be found all over the world?
• That concert was so metamorphic, it completely changed my perspective on music.
• His metamorphic transformation from a shy introvert to a confident leader was truly inspiring.

adjective describing a type of meteorite that lacks chondrules, which are small, round grains found in some meteorites

• The achondritic meteorite was found to have a unique mineral composition.
• I heard that achondritic rocks are pretty rare and valuable.
• That achondritic rock is out of this world!
• Her achondritic personality made her stand out from the crowd.