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Rocks from Central India

by Soumik
(Paraswada, Madhya Pradesh, India)

Specimen 1

Specimen 1

Specimen 1- Hardness >6, No streak, non-magnetic, no acid reaction, specific gravity- 2.6

Specimen 2- , No streak, non-magnetic, no acid reaction, specific gravity- 2.9

Specimen 3- Hardness >6,No streak, non-magnetic, no acid reaction, specific gravity- 2.6

Specimen 4- Hardness >6,No streak, non-magnetic, no acid reaction, specific gravity- 2.8

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Jun 12, 2019
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by: Douglas

Soumik,

Thanks for the detail of your tests. I cannot give you a positive ID though. I may be able to give some clues to aid your search.

Specimens 3 & 4 look like they could be quartz family. 1 could also be related quartz but the photo doesn't show much detail. Number 2
is different from the others. There are several minerals present. I would guess a type of granite.

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