Name/Title
Laguna AgateEntry/Object ID
1986.62.45Description
Chemical Composition: SiO2
Crystal System: Orthorhombic System
Description: Common Name: Quartz var. agate (laguna)
Chemistry: SiO2
Group: Silicates
Location: Chihuahua, Mexico
Description: Large, "bell" shape with conglomerate of beige, tan, brown and reds with some smokey gray on outer areas. Inner area is banded red, pink, burnt yellow and green with a creamy yellow crystalline center.
PHYSICAL CHARACTERISTICS:
Agate ( /'æg?t/) is a microcrystalline variety of silica, chiefly chalcedony, characterised by its fineness of grain and brightness of color. Although agates may be found in various kinds of rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks.
Fracture: conchoidal
Hardness: 7 Quartz
Luster: Waxy
Rock Type: Sedimentary
Specific Gravity: 2.58-2.64
Streak: white
Texture: MircocrystallineCollection
Mexican Agate CollectionAcquisition
Accession
78.59Source or Donor
Delmar Smith Agate CollectionAcquisition Method
GiftDimensions
Width
10-1/4 inDepth
3/8 inLength
9-1/2 inDimension Notes
Dimension taken at widest pointsLocation
Location
Container
RightDrawer
Back Row / BottomShelf
RightCabinet
Case #16Wall
WestBuilding
Frieda Smith HallCategory
Permanent