pengantar mineralogi

8/20/2019 PENGANTAR MINERALOGI

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PENGANTAR MINERALOGI

PERTEMUAN I-2


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Data pribadi:

• Alamat rumah: Jl. Merpati N !" RT!#R$ %% &' ( $edmarta'iN)empla* &lema' +),a*arta

• N. P: "2!%/20%"21 "213.0%!32"/rumah: "213.3311!3"

• Email: 4ri5m6a*pri'd.a7.id4ri5mul,a'')4ih6,ah.7m

• Pi': 1010/E8!

mailto:[email protected]:[email protected]:[email protected]:[email protected]


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PENGANTAR

• De9'i4i Mi'eral

• ri4tal)ra9

•

Ide'ti9*a4i Mi'eral• Terbe'tu*',a Mi'eral

• eterdapata' Mi'eral

•

Apli*a4i Mi'eral)i


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D E F I N I S I M I N E R A L

“Suatu benda padat/cair homogen

yg terdpt di alam, terbentu !cr

alamiah di alam, anorgani, dgnompo!i!i imia tertentu, yg

ter!u!un !ecara teratur dan

ri!talin" #$ERR% & MAS'N(


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“)ERDA*A) DI ALAM “

+alit #Nal( adalah mineral

-aca, !emen & batu bata )iruan Ruby, Spinel, Saphire &

orundum buan mineral.


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")ER$EN)- SEARA

AN'R0ANI-"

• $enda1benda padat homogen yg dih!lan

rn ehidupan #manu!ia, he2an, &tumbuhan( td terma!u mineral.

• $atubara, minya bumi, guano, ulit

tiram, dan mutiara

buan mineral.• $atu gin3al/“neer !teen"/ “-idney !tone"(

buan mineral.


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MINERAL 1 MINERAL *EM$EN)-

$A)AN

#R'- F'RMIN0 MINERALS(

Mineral $atuan -ulit bumi

44,4 5 ulit bumi t.a. 67 mineral dr ribuan mineral

yg ada di dunia.

Min8min pembt batuan dpt dibagi dua elompo 9

Mineral1mineral Siliat Alali Alumina #FELSI-(

$er2arna terang,

Mineral1mineral Siliat Ferro1Magne!ian #MAFI-(

$er2arna gelap,


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MINERAL1MINERAL

MAFI-

• 'LI:IN ##Mg,Fe(6Si';(

• *IR'-SIN #6#Mg,Fe(Si'


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MINERAL1MINERAL FELSI-

FELDS*AR 9 *LA0I'-LAS ##a,Na(#Si,Al(;'= (

-1FELDS*AR

'R)'-LAS #-AlSi


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$'@ENS REA)I'N SERIES

DIS'N)IN'S SERIES 'N)IN'S SERIES

'LI:INE ALI *LA0

Mg8*%R'BENE AL1AL-ALI1*LA0

a 8 *%R'BENE AL-ALI1AL1*LA0

AM*+I$'LE AL-ALI1*LA0

$I')I)E

*')AS+ FELS*AR

MS':I)E

CAR)


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- A R S A #Si'6(9

• AME)IS, -ARSA AM$'N, MA)A +ARIMA,

MA)A -IN0 nama 0em!tone

• -ALSED'N, -ARNELIAN, A0A), FLIN), AS*ER,

+ER) :ariant -uar!a #Si'6(

• '*AL


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M I - A

$I')I) #-#Mg,Fe(


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M I N E R A L L A I N

MINERAL '-SIDA 9 -uar!a, Magnetit, +ematit,

Limonit, Ilmenit

MINERAL -AR$'NA) 9 -al!it, Aragonit, Dolomit,

Siderit

MINERAL F'SFA) 9 Apatit

MINERAL SLFIDA 9 *irit, Mara!it, -alopirit

MINERAL SLFA) 9 0ip!, Anhidrit, $arit

MINERAL -L'RIDA 9 +alit


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Pr4e4 Pembe'tu*a' Mi'eral


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Pr4e4 ri4tali4a4i leh Pre4ipita4i

• Airlaut

• Air idrtermal

•

Air de*at permu*aa'• Air permu*aa'


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Metamr94me


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Metamr94me


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eterdapata' Mi'eral ha4ilMetamr94me


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• &i;at


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IDENTIerat• ilap

• e*era4a'

•

=elaha' da' Pe7aha'• &i;at lai'

$


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$ar'a

&trea* ?>erat@


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&trea* ?>erat@

• =la7* - Graphite• =la7* - Pr,ite• =la7* - Ma)'etite• =la7* - >hal7p,rite• Gra, - Gale'a• Lim'ite - +ell-

br'• ematite - Red-br'


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LUSTER ?ILAP@:reBe*4i mi'eral dalam me'a')*ap 4i'ar:ada dua ,aitu metali* da' ''-metali*

' metali*: *ilap *a7aC ta'ah ?earth,@ da' tida* mema'tul*a' 4i'ar ?dull@

>l


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>leaa)e?=elaha'@

• Me')i*uti be'tu**ri4tal


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e*era4a'


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>r,4tal &hape ?=e'tu* ri4tal@

• Dull # ta'ah #4erbu*

• ubi*

• Pri4mati*

• Tabular?berlembar@

• Me'Farum

• ea)'al

• Pirithedr'

•

Gra'ular#


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&i;at Lai'

• Magnetism - A ;e mi'eral4 areattra7ted t a ma)'et r arethem4ele4 7apable ; a7ti') a4ma)'et4 ?the m4t 7mm' ma)'eti7mi'eral i4 ma)'etite@. =e7au4e the4eare 4 rareC thi4 prpert, help4 'arr

the p44ibilitie4 dra4ti7all, he' tr,i')t ide'ti;, a' u'*'' 4pe7ime'.• Feel - &me mi'eral4C 'tabl, tal7 a'd

)raphiteC ;eel )rea4, r 4lipper, he',u rub ,ur 9')er4 er them. The)rea4i'e44 77ur4 be7au4e b'd4 are4 ea* i' 'e dire7ti' that ,ur9')er pre44ure al'e i4 e'u)h tbrea* them a'd t 4lide pla'e4 ;

atm4 pa4t 'ei)hbri') atmi7 la,er4

• Taste - Gel)i4t4 u4e a4 ma',4e'4e4 a4 p44ible i' de47ribi') a'dide'ti;,i') mi'eral4. Ta4te i4 'e ;the la4t te4t4 t be 7'du7tedCbe7au4e 4me mi'eral4 arepi4'u4. &me mi'eral4 ta4te

4alt,-m4t 'tabl, halite ?4alt@.&,liteC a mi'eral 4imilar i' all therprpertie4 t haliteC ta4te4 bitter. Ta4te i4 thu4 a dia)'4ti7 prpert,be7au4e it di4ti')ui4he4 betee'the4e mi'eral4. NEER TA&TE AMINERAL UNLE&& IN&TRU>TED TOH

• Reaction with DiluteHydrochloric Acid - Thi4 i4a7tuall, a 7hemi7al prpert, rathertha' a ph,4i7al attribute ; ami'eral. Mi'eral4 7'tai'i') the7arb'ate a'i' ?>"%@2- eere47e?9KK@ he' a drp ; diluteh,dr7hlri7 a7id i4 pla7ed ' them.>arb' diide i4 liberated ;rm themi'eral a'd bubble4 ut thru)h

the a7idC 7reati') the 9KK. Thi4 te4ti4 be4t per;rmed ' pderedmi'eral4. >al7ite ?7al7ium7arb'ate@ ill eere47e readil, i'either ma44ie r pdered ;rmCbut dlmite ?7al7ium-ma)'e4ium7arb'ate@ rea7t4 be4t a4 a pder.


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