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Lustre (mineralogy)

Lustre or luster is the way light interacts with the surface of a crystal rock or mineral The word traces its origins back to the Latin lux meaning light and generally implies radiance gloss or brilliance A range of terms are used to describe lustre such as earthy metallic greasy and silky Get price

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is limonite metallic or nonmetallic

is limonite metallic - palashresidency Luster is divided into two major categories metallic and nonmetallic (limonite is dull and pyrite looks shiny = metallic) Find 2 minerals with a metallic luster Mineral ID Table p 2 the Kansas Geological Survey Small globules of metallic lead collect on surface of fragment held in candle flame Get price

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What is luster? + Example

Jan 27 2017Generally when a mineral's surface reflects light we say that it has luster Before we look at specific minerals let's explore what exactly we mean when we say something has luster When it comes to minerals there are two major types of luster metallic and nonmetallic -- First we have metallic luster (we refer to these as the metallic minerals) Get price

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High School Earth Science/Identification of Minerals

May 03 2019Luster describes the way light reflects off of the surface of the mineral You might describe diamonds as sparkly or pyrite as shiny but mineralogists have special terms to describe the luster of a mineral They first divide minerals into metallic and non-metallic luster Minerals like pyrite that are opaque and shiny have a metallic luster Get price

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Solved A Mineral Which Has A One Directional Cleavage (ba

Question A Mineral Which Has A One Directional Cleavage (basal Cleavage) Non Metallic Luster And Can Easily Be Scratched With A Finger Question 1 Options A) Galena B) Quartz C) Biotite Mica D) Plagioclase Feldspar Save Question 2 (1 5 Points) A Mineral With Non-metallic Luster And Needle Like Crystals Used For Decoration And Construction Stone Purposes Get price

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Optical Mineral Properties Mineral Luster

Mineral surfaces may show one of two major types of luster metallic and nonmetallic Native metals and many sulfides have a metallic luster Minerals with a metallic luster are shown here 32 Pyrite 33 Galena 34 Arsenopyrite 35 Copper 36 ChalcopyriteGet price

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Mini Me Geology Blog What is Mineral Luster?

Glassy (or vitreous) – a mineral with a glassy luster shines and reflects light just like real glass Examples of minerals with a glassy luster include amethyst rhodonite tourmaline and epidote Glassy is the most common luster of all minerals Get price

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Identifying Minerals

Luster describes the reflection of light off a mineral's surface Mineralogists have special terms to describe luster One simple way to classify luster is based on whether the mineral is metallic or non-metallic Minerals that are opaque and shiny such as pyrite have a metallic luster Minerals such as quartz have a non-metallic luster Get price

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How to Identify Minerals in 10 Steps (Photos)

Each mineral's name is linked to a good photograph and notes to help you confirm the identification If your mineral has metallic luster go to my Minerals with Metallic Luster gallery to see the most likely minerals in this group If your mineral is not one of these try the sources in the Mineral Identification Guides category Get price

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Mineral Identification Table

Mineral Identification Table Minerals for This Lab and Some Physical Properties They Possess An asterisk (*) means the rock contains only minor amounts of the mineral Mineral Name Physical Properties Geologic Setting Industrial Uses Biotite1 (K Mg Fe Al Silicate) Luster bright metallic Color lead-gray Hardness 2 5 Cubic cleavage Get price

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Do ALL minerals with metal have luster?

Nov 10 2009Do all minerals with metal in them have a metalic luster? I know Magnetite has and i think Hematite does to give an example and Leave a link if you can Do ALL minerals with metal have luster? Best Answer Many minerals have a metallic element in their composition but they don't look metallic Some non-metallic minerals include Get price

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Mineral Lusters

Minerals with metallic luster can also be described as having a shiny dull or iridescent luster For example the pyrite mineral shown in the left photo has mostly a shiny metallic luster Minerals of metallic luster are opaque to light even on thin edges By contrast minerals with non-metallic luster are generally lighter in color Get price

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mineral

mineral - Luster - Related to the color of a mineral are its luster or the way it looks in reflected light and its streak The two main types of luster are metallic and nonmetallic Minerals with a metallic luster are generally opaque meaning that light is reflected from the surface and does not pass through The cut or polished surface looks shiny as if it were made of metal Get price

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silver mineral rock

GeoMan's Mineral Identification Minerals Metallic Luster Generally with a colored streak opaque Click here for sub-metallic minerals Get Price Mineral Pictures Index - ThoughtCo May 25 2019 In this index you'll find pictures of minerals like those you'll most likely encounter in your expeditions This list starts with the handful of Get price

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The Learning Zone Mineral Detectives

There are several kinds of lustre Most minerals have a vitreous (glassy) lustre or a metallic lustre In the pictures below the quartz has a vitreous lustre just like a drinking glass The galena has a metallic lustre like metal wire Sometimes we can use lustre to identify minerals Only certain minerals ever have a pearly waxy or greasy Get price

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Properties of Minerals

1 A sample such as galena with metallic luster looks bright and shiny like polished metal 2 Many samples with non-metallic luster are shiny but it is the shine of glass rather than metal The sample of calcite below has what's called glassy luster 3 Earthy luster is applied to Get price

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Luster

Most terms used to describe luster are self-explanatory metallic earthy waxy greasy vitreous (glassy) adamantine (or brilliant as in a faceted diamond) It will be necessary at least at first only to distinguish between minerals with a metallic luster and those with one of the non-metallic lusters Get price

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Luster of Minerals

Minerals possessing metallic luster are opaque and very reflective possessing a high absorptive index This type of luster indicates the presence of metallic bonding within the crystal lattice of the material Examples of minerals which exhibit metallic luster are native copper gold and silver galena pyrite and chalcopyrite Get price

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Minerals with Metallic Luster ( in order of decreasing

Mineral Properties Table Minerals with Metallic Luster ( in order of decreasing hardness) Hardness Common Color(s) Streak Color Other Properties Name Composition 6-6 5 pale brass yellow greenish black brownish black cubic crystals concoidal to uneven fracture SG 5 0 PyriteGet price

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Minerals

3- Luster • The way a mineral's surface scatters light Metallic luster 4- Hardness • The measure of a mineral to resist scratching • Represents the strength of bonds in the crystal lattice – Measured on a qualitative scale called Mohs Hardness Scale Nonmetallic luster Vitreous luster (Nonmetallic) Adamantine luster (Nonmetallic)Get price

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How to Identify Minerals in 10 Steps (Photos)

Each mineral's name is linked to a good photograph and notes to help you confirm the identification If your mineral has metallic luster go to my Minerals with Metallic Luster gallery to see the most likely minerals in this group If your mineral is not one of these try the sources in the Mineral Identification Guides category Get price

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Which minerals have a metallic luster and which dont

Nov 30 2009(Some mineralogists recognize the intermediate category of 'sub-metallic' and there are several divisions of non-metallic luster ) There are dozens of minerals which present a metallic luster Common minerals with a metallic luster are galena pyrite and chalcopyrite Most minerals do not have a metallic luster Get price

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minerals with metallic luster

Which minerals have a metallic luster and which dont Nov 30 2009 (Some mineralogists recognize the intermediate egory of 'submetallic' and there are several divisions of nonmetallic luster ) There are dozens of minerals which present a metallic luster Common minerals with a metallic luster are galena pyrite and chalcopyrite Get price

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Which minerals have a metallic luster and which dont

Nov 30 2009(Some mineralogists recognize the intermediate category of 'sub-metallic' and there are several divisions of non-metallic luster ) There are dozens of minerals which present a metallic luster Common minerals with a metallic luster are galena pyrite and chalcopyrite Most minerals do not have a metallic luster Get price

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What is Gemstone Luster?

Types of Gemstone Luster In the mineral world luster comes in two main types non-metallic and metallic In addition an intermediate type sub-metallic is sometimes used as a description However the gem industry most commonly deals with the non-metallic varieties Most gems don't meet the criteria for metallic or sub-metallic luster Get price

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Mineralogy

The luster of a mineral is the appearance of its surface when light is reflected off of it Minerals can have metallic or nonmetallic luster Minerals with metallic luster look shiny like a metal Nonmetallic minerals can have various appearances such as vitreous (glassy) greasy silky brilliant (like a diamond) or pearly Get price

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Mineral Properties

Other Sources of Mineral Identification The Collectors Corner of the Mineralogical Society of America features an excellent on-line mineral identification key by Alan Plante Donald Peck David Von Bargen The identification key is based on simple mineralogical tests such as luster hardness color and physical description for the most common minerals an individual is likely to encounter Get price

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minerals with metallic luster

mineral - Luster - Related to the color of a mineral are its luster or the way it looks in reflected light and its streak The two main types of luster are metallic and nonmetallic Minerals with a metallic luster are generally opaque meaning that light is reflected from the surface and does not pass through Get price

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Mineral Identification Key Mineral Properties Luster

Luster A mineral's luster is the overall sheen of its surface – it may have the sheen of polished metal or that of an unpolished metal that is pitted by weathering – or it may have the sheen of glass or look dull or earthy etc Luster should not be confused with color A brass-yellow pyrite crystal has a metallic luster but so does a Get price

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What are metallic minerals?

Jan 04 2019My guess is that you mean either minerals with metallic luster or minerals that are sources of metals If you meant the first option a metallic mineral is that which looks like a metal when it reflects light Usually they also have a metalin theiGet price

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List of the Minerals Found in the State of Washington

Apr 25 2017More than 550 minerals have been found in the state and many are mined for their monetary value and various uses List of the Minerals Found in the State of Washington the whiter the color is Silver is a metallic mineral with a silver-white color and copper is another metallic mineral with colors that range from copper-red to brown Get price

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