Stibnite

Object/Artifact

-

Crater Rock Museum

Name/Title

Stibnite

Entry/Object ID

2014.1.17

Description

Chemical Composition: Al(OH)3 Crystal System: Hexagonal System Description: Common Name: Stibnite Chemistry: Sb2S3 Group: Sulfides Location: Hunan Province, China Description: Small specimen with small area of sprayed needle-like crystals. The Matrix is a dull white and gray with an unknown mineral on one side. Physical Charateristics: •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. •Notable Occurrences include Hunan province, China; Japan; Germany; Brazil; Peru and South Africa. •Best Field Indicators are crystal habit, softness and flexibility. 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

1-1/2 in

Length

2-1/4 in

Location

Location

Shelf

CS-I-1

Room

Curation Storage

Building

Crater Rock Museum

Date

February 3, 2024

Location

Shelf

4th shelf

Cabinet

Case# 20

Wall

West

Building

Freida Smith Hall

Category

Permanent