Flattened, tabular crystals occurring as aggregates, rosettelike, radiating, hemispherical; also massive
Cleavage
{001}, perfect
Fracture
Uneven to subconchoidal
Tenacity
Brittle
Mohs scale hardness
2.5 – 3
Luster
Adamantine, pearly on {001}
Diaphaneity
Transparent
Specific gravity
7.1 – 7.2
Optical properties
Uniaxial (−)
Refractive index
nω = 2.150 nε = 2.040
References
[2][3][4]
Matlockite is a rare lead halide mineral, named after the town of Matlock in Derbyshire, England, where it was first discovered in a nearby mine.[3] Matlockite (chemical formula: PbFCl) gives its name to the matlockite group which consists of rare minerals of a similar structure.
Matlockite is a rare lead halide mineral, named after the town of Matlock in Derbyshire, England, where it was first discovered in a nearby mine. Matlockite...
BaClF. The compound naturally occurs as zhangpeishanite mineral of the matlockite group. One of the deposits where the mineral is mined is Bayan Obo in...
carbon, oxygen, and chlorine. It was found associated with anglesite and matlockite in cavities within altered galena in a lead mine at Cromford, near Matlock:...
lead. It occurs in association with galena, cerussite, anglesite and matlockite in the Caracoles, Chile. At the Tolbachik volcano on the Kamchatka Peninsula...
exists in nature as the rare mineral bismoclite, which is part of the matlockite mineral group. An analogous compound, bismuth oxynitrate, is used as a...
existence of the diatomic bismuthyl ion is doubtful. It is a member of the matlockite group. It was first described in 1935 from alluvium near bismuth-bearing...
was discovered in 1962 by Soviet scientists. Zavaritskite is part of matlockite group of minerals. Zavaritskite is a gray mineral with a greasy or semi-metallic...
isostructural with matlockite. It is a member of the matlockite group, and it is the barium dominant analogue of rorisite and matlockite. It is associated...
minerals laurionite and paralaurionite, which are PbCl(OH) members of the matlockite group. Historically, the primary use of lead oxychlorides was in a mixture...
Wright of Derby Geology Ashford Black Marble John Farey William Martin Matlockite John Mawe White Watson John Whitehurst Decorative arts Bonnie Prince Charlie...
Wright of Derby Geology Ashford Black Marble John Farey William Martin Matlockite John Mawe White Watson John Whitehurst Decorative arts Bonnie Prince Charlie...
chloride PbCl(OH) that is dimorphous with laurionite. It is a member of the matlockite group. The name is derived from para-, the Greek for "near", and laurionite...
Wright of Derby Geology Ashford Black Marble John Farey William Martin Matlockite John Mawe White Watson John Whitehurst Decorative arts Bonnie Prince Charlie...
Wright of Derby Geology Ashford Black Marble John Farey William Martin Matlockite John Mawe White Watson John Whitehurst Decorative arts Bonnie Prince Charlie...
Wright of Derby Geology Ashford Black Marble John Farey William Martin Matlockite John Mawe White Watson John Whitehurst Decorative arts Bonnie Prince Charlie...
the slags. The associated minerals here are cerussite, phosgenite and matlockite. The ideal chemical formula for mammothite is Pb6Cu4AlSb5+O2(OH)16Cl4(SO4)2...
crystal system and is dimorphous with paralaurionite, both members of the matlockite group. It was first described in 1887 for an occurrence in the Laurium...
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