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Amorphous crystals have no crystalline structure. The crystalline structure was never present or it has been destroyed by radiation and the crystalline structure cannot be restored by heat treatment of the mineral.
31 Minerals with Amorphous - No Crystal Structure
Mineral
Space Grp
Allophane
Unk
Amber
Unk
Belyankinite
Unk
Boldyrevite
Unk
Bolivarite
Unk
Cadwaladerite
Unk
Delvauxite
Unk
Evansite
Unk
Ferrisymplesite
Unk
Georgeite
Unk
Gerasimovskite
Unk
Ilsemannite
Unk
Jeromite
Unk
Jordisite
Unk
Lechatelierite
Unk
Metastibnite
Unk
Meymacite
Unk
Moluranite
Unk
Neotocite
Unk
Opal
Unk
Pitticite
Unk
Rauvite
Unk
Rosieresite
Unk
Rowlandite-(Y)
Unk
Santabarbaraite
Unk
Sturtite
Unk
Umbozerite
Unk
Yukonite
Unk
Zirconolite
Unk
(* - Mineral Name is Not IMA Approved) |