Grindstone

Object/Artifact

-

Crater Rock Museum

Name/Title

Grindstone

Entry/Object ID

2009.2.202

Description

Chemical Composition: (Mn^2+CO3),(SiO2),(ZnFe)^ Crystal System: Triclinic System Description: Brown, bumpy, crater in the middle. Fracture: Uneven Grain Size: Crystalline Hardness: 4 Flourite Luster: Vitreous Rock Color: Light Rock Type: Sedimentary Specific Gravity: 3.5 Streak: White

Collection

Jack Benedict Artifact Collection

Acquisition

Accession

2009.2

Source or Donor

Jack Benedict Artifact Collection

Acquisition Method

Donation

Dimensions

Dimension Notes

Dimension taken at widest points

Location

Location

Box

CRM IAC BOX 40

Room

Cultural History Storage

Building

Crater Rock Museum

Date

December 28, 2021