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Specification
Brand : Grand Index
BulletPoint1 : Type: calcite
BulletPoint2 : Body: Metal
BulletPoint3 : HEAVY DUTY, Durable, reliable and made by professional craftsmen
BulletPoint4 : Include:Soft Leather Case * User's Manual * Stylish Packaging/Carrying Box
BulletPoint5 : It comes with a leather case
Color : Green
ExternallyAssignedProductIdentifier1 : 0700112562426
ExternallyAssignedProductIdentifier2 : 700112562426
GpsrSafetyAttestation : 1
Hazmat1 : LITHIUM ION BATTERIES CONTAINED IN EQUIPMENT
Hazmat10 : DE_SmallLithiumIonBatteryInEquipment
Hazmat11 : EG_SmallLithiumIonBatteryInEquipment
Hazmat12 : ES_SmallLithiumIonBatteryInEquipment
Hazmat13 : FR_SmallLithiumIonBatteryInEquipment
Hazmat14 : GB_SmallLithiumIonBatteryInEquipment
Hazmat15 : IE_SmallLithiumIonBatteryInEquipment
Hazmat16 : IN_SmallLithiumIonBatteryInEquipment
Hazmat17 : IT_SmallLithiumIonBatteryInEquipment
Hazmat18 : JP_SmallLithiumIonBatteryInEquipment
Hazmat19 : MX_SmallLithiumIonBatteryInEquipment
Hazmat2 : UN3481
Hazmat20 : NL_SmallLithiumIonBatteryInEquipment
Hazmat21 : PL_SmallLithiumIonBatteryInEquipment
Hazmat22 : SA_SmallLithiumIonBatteryInEquipment
Hazmat23 : SE_SmallLithiumIonBatteryInEquipment
Hazmat24 : SG_SmallLithiumIonBatteryInEquipment
Hazmat25 : TR_SmallLithiumIonBatteryInEquipment
Hazmat26 : US_SmallLithiumIonBatteryInEquipment
Hazmat27 : ZA_SmallLithiumIonBatteryInEquipment
Hazmat28 : 9
Hazmat3 : II
Hazmat4 : AE_SmallLithiumIonBatteryInEquipment
Hazmat5 : AU_SmallLithiumIonBatteryInEquipment
Hazmat6 : BE_SmallLithiumIonBatteryInEquipment
Hazmat7 : BR_SmallLithiumIonBatteryInEquipment
Hazmat8 : CA_SmallLithiumIonBatteryInEquipment
Hazmat9 : CN_SmallLithiumIonBatteryInEquipment
ItemName : Calcite Dichroscope Gncd-01 for Observing Gemstone's Pleochroism
ItemPackageDimensions_Height : 2 inches
ItemPackageDimensions_Length : 1 inches
ItemPackageDimensions_Width : 1 inches
ItemPackageQuantity : 1
ItemTypeKeyword : jewelry-loupes
MagnificationStrength : 10 multiplier_x
Manufacturer : Grand Index
ModelName : KPN0030X
ModelNumber : GNCD-01
NumberOfItems : 1
PartNumber : GNCD-01
ProductDescription : Basically GI-7208 Calcite Dichroscope is a tool that lets you view the different colors of a dichroic piece of rough. It shows whether or not a stone is dichroic (reflects 2 colors). This can be helpful in differentiating stones of the same color from one another. Dichroscopes can be useful with identifying gemstones that are still in the rough and when stones are set and difficult to get to with other instruments. Light entering the dichroscope is broken into two polarized rays that have vibrational directions at right angles to each other. The two images in the dichroscope represent the polarized light and the pleochroic colors signifies doubly refractive stones except if the stone is viewed thru the optic axis. Single color in the dichroscope represents singly refractive stones. There are several different types of Dichroscopes, but the most common type is one made with Calcite. It is used by most people for identifying whether a piece of rough is dichroic. The advantage of the dichroscope is that the two pleochroic colors that may be characteristic of a given direction in a doubly-refractive gem are seen side by side. If no dichroism is identified in the first assessment, the stone can be turned and viewed in other directions. Trichroic stones like Andalusite will show all three, just two at a time while you rotate the rough, you will see three colors. Trichroic gems can also be distinguish and will reveal three colors if the stone is viewed in three directions perpendicular to each other.
You place the mineral in front of the instrument and direct it toward a light source. Then you compare the two images. Make sure to observe the mineral in different directions.
Both images stay identical this means that the mineral is isotropic, amorphous or micro cristallic.
When you observe two different colors then the mineral is double refracting and belongs to the group of uniaxial cristallic systems.
ProductSiteLaunchDate : 2012-09-19T08:40:48.652Z
RequiredProductComplianceCertificate : loupe
Size : 30x
SupplierDeclaredDgHzRegulation : not_applicable
UnitCount : 1
UnspscCode : 60120000