महाभारतः mahābhārataḥ - book-3, chapter-155, verse-81

मनःशिलागुहाश्चैव संध्याभ्रनिकरोपमाः ।
शशलोहितवर्णाभाः क्वचिद्गैरिकधातवः ॥८१॥

81. manaḥśilāguhāścaiva saṁdhyābhranikaropamāḥ ,
śaśalohitavarṇābhāḥ kvacidgairikadhātavaḥ.

81. manaḥśilāguhāḥ ca eva saṃdhyābhra-nikaropamāḥ
śaśalohitavarṇābhāḥ kvacit gairikadhātavaḥ

81. And there are caves of realgar (manaḥśilā), resembling masses of evening clouds. In some places, minerals of red ochre (gairika) shine with the color of a hare's blood.

Words meanings summery:

• मनःशिलागुहाः (manaḥśilāguhāḥ) - caves of realgar/orpiment

• च (ca) - and, also

• एव (eva) - emphasizing the preceding word (indeed, certainly, only, just)

• संध्याभ्र-निकरोपमाः (saṁdhyābhra-nikaropamāḥ) - resembling masses of evening clouds

• शशलोहितवर्णाभाः (śaśalohitavarṇābhāḥ) - having the color of a hare's blood

• क्वचित् (kvacit) - in some places (somewhere, in some place, here and there)

• गैरिकधातवः (gairikadhātavaḥ) - red ochre minerals/ores

Words meanings and morphology

मनःशिलागुहाः (manaḥśilāguhāḥ) - caves of realgar/orpiment

(noun)

Nominative, feminine, plural of manaḥśilāguha

manaḥśilāguha - cave containing realgar (orpiment)

Compound type : tatpurusha (manaḥśilā+guha)

• manaḥśilā – realgar, orpiment (a mineral)
  noun (feminine)
• guha – cave, grotto
  noun (feminine)

च (ca) - and, also

(indeclinable)

एव (eva) - emphasizing the preceding word (indeed, certainly, only, just)

(indeclinable)

संध्याभ्र-निकरोपमाः (saṁdhyābhra-nikaropamāḥ) - resembling masses of evening clouds

(adjective)

Nominative, feminine, plural of saṃdhyābhra-nikaropama

saṁdhyābhra-nikaropama - resembling masses of evening clouds

Compound type : bahuvrihi (saṃdhyā+abhra+nikara+upama)

• saṃdhyā – evening, twilight, junction period
  noun (feminine)
• abhra – cloud, sky
  noun (neuter)
  Root: abh
• nikara – mass, heap, collection, multitude
  noun (masculine)
• upama – resembling, like, comparison
  adjective

Note: Agrees with 'manaḥśilāguhāḥ'.

शशलोहितवर्णाभाः (śaśalohitavarṇābhāḥ) - having the color of a hare's blood

(adjective)

Nominative, masculine, plural of śaśalohitavarṇābha

śaśalohitavarṇābha - having the color of a hare's blood

Compound type : bahuvrihi (śaśa+lohita+varṇa+ābha)

• śaśa – hare, rabbit
  noun (masculine)
• lohita – blood, red
  noun (neuter)
• varṇa – color, hue, caste
  noun (masculine)
• ābha – lustre, splendor, appearance, resembling
  adjective
  Prefix: ā
  Root: bhā

Note: Agrees with 'gairikadhātavaḥ'.

क्वचित् (kvacit) - in some places (somewhere, in some place, here and there)

(indeclinable)

गैरिकधातवः (gairikadhātavaḥ) - red ochre minerals/ores

(noun)

Nominative, masculine, plural of gairikadhātu

gairikadhātu - red chalk, red ochre, a kind of mineral ore

Compound type : karmadharaya (gairika+dhātu)

• gairika – red ochre, red chalk, produced in mountains
  adjective
  Derived from 'giri' (mountain), meaning 'found in mountains' or 'from mountains'. Functions adjectivally here.
• dhātu – element, constituent, mineral, ore, root (of a verb)
  noun (masculine)
  Root: dhā (class 3)