Halides: Connellyte
Diagnostic card.
Cu 19 Cl 4 (SO 4 ) (OH) 32 * 4 (H 2 O)
Shingoniya hexagonal
Hardness 2-3
Specific weight 3,4
Color azure, deep
Glitter glass
Crystals are prismatic, acicular, sometimes combined in radial-radiant aggregates. The color is deep-azure and as diverse as other copper minerals.
Origin.
This is a rare mineral; Is found in many copper ore deposits in negligible quantities. It is closely associated with cuprite, spongolite and brochantite, as well as with chalcophyllite, malachite and azurite.
Place of Birth.
The classical location of this mineral is Cornwall, where the Connelite was discovered in the early years of the 20th century. Other finds in Europe are Fontana Rossa in Corsica and Arenas in Sardinia, where this mineral is accompanied by spongolite and brochantite. In America, it occurs in Bisbee (Arizona), where it is in the form of inclusions in dense masses of cuprite.
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Poisonous and radioactive dangerous stones and minerals
** - poisonous stones and minerals (mandatory check in the chemical laboratory + explicit indication of toxicity)
** - radioactive stones and minerals (mandatory check on the standard dosimeter + ban on open sales in case of radioactivity exceeding 24 milli / g / h + additional measures of population protection)
Catalog of minerals and semi-precious stones of the world by groups
** - poisonous stones and minerals
** - radioactive stones and minerals
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