Lacrima

Lacrima ( Rakurima) is a Magic crystalline substance found in both Earth Land and Edolas. Lacrima can be powered up with different spells and used for different purposes.

(Information taken from Fairy Tail Wiki - Blast lacrima, however, is 0ribu's creation)

Types
Types:
 * Magically Charged: A Mage can charge their Magic into a Lacrima to suit their uses. These then can be elementally charged like how Laxus Dreyar made Lacrima into Lightning Lacrima, which are used for casting Thunder Palace spell.[1]
 * Communications Lacrima Crystal (通信用 Tsūshin-yō Rakurima): The most commonly used Lacrima which is shaped like a crystal ball and used to communicate with others.[2]
 * Miniature Communication Lacrima (小型通信Kogata Tsūshin Rakurima)[3]: A rectangular-shaped device, resembling a mobile phone, allowing long-distance calls between users of the same type of Lacrima, although depending on the distance the connection could become weaker, thus making it harder to understand or decipher what the other side is saying.[4][5] This particular Lacrima was invented by Warren Rocko.[6]
 * Earring Communications Lacrima: An earring Lacrima that allows one to communicate and have an audio conversation with others who hold the same type of Lacrima.[7]
 * Dragon Lacrima (竜の Ryū no Rakurima): A rare and extremely expensive Lacrima that gives individuals artificial Dragon Slayer Magic when implanted.[8]
 * Tanning Lacrima (タンニング Tan'ningu Rakurima): A Lacrima used by Ren Akatsuki to create a suntan. A person can obtain whatever they desire in the space of about 5 minutes. The setting consists of numbers such as 61 to 65.[9]
 * Explosive Lacrima (爆弾 Bakudan Rakurima): A type of Lacrima that explodes. It was seen being used by several members of Fairy Tail during the Fairy Tail-Phantom Lord War.[10] Later on, cylindrical versions of said Lacrima were used by Racer.[11]
 * Fuel Lacrima: A Lacrima full of Magic Power that is used as a fuel for Magical Vehicles in Edolas.[12]
 * Movie Lacrima (映画 Eiga Rakurima): It allows the user to watch movies in the air.[13]
 * Surveillance Lacrima (監視 Kanshi Rakurima): A Lacrima that records images for various purposes, appearing in different forms. Images can be either reviewed later after the recording or immediately while the recording is happening.[14][15]
 * Lacrima-Vision( Rakurima Bijyon): A floating rectangular Lacrima that shows images of locations.[16]
 * Portable Lacrima-Vision: A small cuboid device with a Lacrima lens on its top that shows images of locations.[17]
 * Ultra Concentrated Ether Light Sphere (超濃縮エーテル発光体 Chō Nōshuku Ēteru Hakkō-tai): A Lacrima whose destructive power is approximately 500 times that of Jupiter. It can vaporize everything within a specific area.[18]
 * Resurrection Lacrima (蘇生用の Sosei-yō no Rakurima): A giant Lacrima crystal, big enough to confine the body of a human, which is used to revive people from near-death conditions.[19]
 * Deodorant Lacrima (消臭 Shōshū Rakurima): A special Lacrima spray that can easily deodorize bad hygienes.
 * Blast Lacrima: An extremely powerful Lacrima (LX or higher), used to destroy part of Tenrou in order to save Nashi and Sylvia's lives.