Sabatierite

Sabatierite (Cu₆TlSe₄) is a mineral found in the Czech Republic. The composition of the mineral is more likely (Cu₄TlSe₃) that has been chemically and crystalographically characterized having tetragonal symmetry.^[2] It is named for the French mineralogist Germain Sabatier (born 1923).^[3][4][5]

Sabatierite
Image of Sabatierite & Berzelianite
General
Category	Selenide mineral
Formula	Cu6TlSe4
IMA symbol	Sab[1]
Strunz classification	2.BD.45
Dana classification	02.04.12.02
Crystal system	Orthorhombic
Crystal class	Selenides
Identification
Formula mass	695.45 gm
Colour	Bluish gray with cream tint
Crystal habit	Aggregates, Microscopic crystals
Mohs scale hardness	2.5
Luster	Metallic
Diaphaneity	Opaque
Pleochroism	Distinct, in light brown to light blue

See also

• Crookesite – Selenide of copper, thallium and silver
• List of minerals
• List of minerals named after people