Stibnite

Object/Artifact

-

Crater Rock Museum

Name/Title

Stibnite

Entry/Object ID

78.63.102

Description

Chemical Composition: Sb2S3 Crystal System: Orthorhombic System Description: Common Name: Stibnite Group Name: Chemistry: Sb2S3 Location: Hunan Province, China Description: Stibnite crystals on a rock base with a small patch of tiny calcite crystals. PHYSICAL CHARACTERISTICS: Color is steel gray to silver. Luster is metallic. Transparency crystals are opaque. Crystal System is orthorhombic; 2/m 2/m 2/m Crystal Habits include bladed or acicular crystals often bent or curved due to twinning, also granular and massive. Cleavage is perfect in the lengthwise direction. Fracture is irregular. Hardness is 2 Specific Gravity is approximately 4.6+ (average for metallic minerals) Streak is a dark gray. Other Characteristics: striated lengthwise sometimes deeply, luster brighter on cleavage surfaces and crystals slightly flexible. Associated Minerals include quartz, calcite, gold, arsenopyrite and other sulfides. Best Field Indicators are crystal habit, softness and flexibility Fracture: irregular Hardness: 2 Gypsum Luster: Metallic Occurrence: Small deposits of stibnite are common, but large deposits are rare. It occurs in Canada, Mexico, Peru, Japan, China, Germany, Romania, Italy, France, England, Algeria, and Kalimantan, Borneo. In the United States it is found in Arkansas, Idaho, Nevada, California, and Alaska. Notable Occurrences include Hunan province, China; Japan; Germany; Brazil; Peru and South Africa. Rock Type: Sedimentary Specific Gravity: 4.6 Streak: dark grey

Collection

Suomynona Mineral Collection, Suomynona Collection

Acquisition

Accession

2004.1

Source or Donor

Suomynona Mineral Collection

Acquisition Method

Donation

Dimensions

Width

3-1/2 in

Depth

3-3/4 in

Length

3-1/2 in

Dimension Notes

Dimension taken at widest points

Location

Location

Shelf

CS-D-6

Room

Curation Storage

Building

Crater Rock Museum

Category

Storage

Moved By

Curator

Date

February 23, 2024