Quartz var. Herkimer

Object/Artifact

-

Crater Rock Museum

Quartz var. Herkimer "diamond"

Quartz var. Herkimer "diamond"

Name/Title

Quartz var. Herkimer

Entry/Object ID

2014.1.138(A,B,C)

Description

Chemical Composition: SiO2 Crystal System: Hexagonal System Description: Common Name: Quartz var. Herkimer "diamonds" Chemistry: SiO2 Location: New York Description: A group of Herkimer "diamonds". Two specimens are in their natural rock base. The other six specimens are loose. All are very clear and transparent. PHYSICAL CHARACTERISTICS: Transparent to opaque Specific Gravity 2.6 - 2.7 Luster Vitreous. Transparent, colorless Quartz crystals from a few distinct localities may be adamantine. Cleavage Indiscernible. Seldom exhibits parting. Fracture Conchoidal Tenacity Brittle - See more at: http://www.minerals.net/mineral/quartz.aspx#sthash.jpEChuJJ.dpuf Fracture: conchoidal Hardness: 7 Quartz Luster: Vitreous Rock Type: Igneous Specific Gravity: 2.6 - 2.7 Streak: white Variety: Herkimer Diamond - Exceptionally lustrous and clear Quartz crystals from the Herkimer Co. vicinity in the Mohawk Valley region of Central New York State. Herkimer Diamond crystals are usually doubly terminated and short. - See more at: http://www.minerals.net/mineral/quartz.aspx#sthash.jpEChuJJ.dpuf

Collection

RAGM Mineral Collection

Acquisition

Accession

2014.1

Source or Donor

Crater Rock Museum (unknown donors)

Acquisition Method

Gift

Dimensions

Width

4 in

Depth

3 in

Length

5-1/4 in

Dimension Notes

Dimension taken at widest points B) 2.5 X 2 X 1.75 C) 3/4" and under (6pcs.)

Location

Location

Shelf

CS-I-3

Room

Curation Storage

Building

Crater Rock Museum

Date

January 31, 2024

Location

Cabinet

J-1 front

Wall

North

Building

Storage (old gift shop upstairs)

Category

Permanent