Gold

Object/Artifact

-

Crater Rock Museum

Name/Title

Gold

Entry/Object ID

2009.62.304

Description

Description: Common Name: Gold Chemistry: Au, Elemental gold Class: Elements Location: Siberia, Russia Description: Irregularly shaped specimen with charcoal colored matrix. The metal is both dull yellow and covered in a sheen in other areas. PHYSICAL CHARACTERISTICS: Color is golden "butter" yellow. Luster is metallic. Transparency is opaque. Crystal System is isometric; 4/m bar 3 2/m Crystal Habits include massive nuggets and disseminated grains. Also wires, dendritic and arborescent crystal clusters. Cleavage is absent. Fracture is jagged. Streak is golden yellow. Hardness is 2.5 - 3 Specific Gravity is 19.3+ (extremely heavy even for metallic minerals) Associated Minerals include quartz, nagyagite, calaverite, sylvanite, krennerite, pyrite and other sulfides. Other Characteristics: ductile, malleable and sectile, meaning it can be pounded into other shapes, stretched into a wire and cut into slices. Best Field Indicators are color, density, hardness, sectility, malleability and ductility.

Collection

RAGM Mineral Collection

Acquisition

Accession

2009.62

Source or Donor

Museum Collection of Minerals

Acquisition Method

Donation

Dimensions

Width

1-1/2 in

Depth

1-1/2 in

Length

2-1/4 in

Location

Location

Container

Right

Drawer

Top Shelf

Shelf

Left, Left

Building

Freida Smith Hall

Category

Permanent

Moved By

Steve Miller

Date

February 20, 2010

Location

Container

Left

Drawer

Top Shelf

Shelf

Left

Cabinet

Case# 71

Building

Freida Smith Hall

Category

Permanent