Azurite

Object/Artifact

-

Crater Rock Museum

Name/Title

Azurite

Entry/Object ID

2014.1.54

Description

Chemical Composition: Al(OH)3 Crystal System: Hexagonal System Description: Common Name: Azurite Chemistry: Cu3(CO3)2(OH)2 Group: Carbonates Location: China Description: Small specimen with very small blue crystals totally covering it. Physical Charateristics: •Color is azure, deep blue or pale blue if found in small crystals or crusts. • Luster is vitreous to dull depending on habit. • Transparency: Transparent if in thin crystals, otherwise translucent to opaque. • Crystal System is monoclinic; 2/m. • Crystal Habits crystals are irregular blades with wedge shaped terminations. Also, aggregate crusts and radiating, botryoidal, nodular and earthy masses. • Cleavage is good in one direction and fair in another. • Fracture is conchoidal and brittle. • Hardness is 3.5-4. • Specific Gravity is 3.7+ (heavier than average). • Streak is blue. • Associated Minerals are numerous and include malachite limonite, calcite, cerussite, quartz, chalcopyrite, native copper, cuprite, chrysocolla, aurichalcite, shattuckite, liroconite, connellite and other oxidized copper minerals. • Notable Occurrences include numerous localities worldwide, but special localities produce some outstanding specimens especially from Lasal, Utah; Bisbee, Arizona and New Mexico, USA; Mexico; Tsumeb, Nambia; Shaba, Congo; Toussit, Morocco; Australia and in many locations in Europe. • Best Field Indicators are color, softness, crystal habits and associations. - See more at: http://www.galleries.com/Azurite#sthash.vq12OFpw.dpuf Hardness: 7 Quartz Rock Type: Sedimentary

Collection

RAGM Mineral Collection

Acquisition

Accession

2014.1

Source or Donor

Crater Rock Museum (unknown donors)

Acquisition Method

Gift

Dimensions

Height

2-1/4 in

Width

1-11/16 in

Length

1-3/4 in

Location

Location

Display Case

FS-11

Room

Frieda Smith Hall

Building

Crater Rock Museum

Category

Permanent

Moved By

Ian Cunningham

Date

December 27, 2023