बृहत्संहिता (आचार्य वराहमिहिर - स्थापत्य, खगोल, मौसम व जल विज्ञान)

Adh. LXXXI. Sl. 18-22.] एकाशीतितमोऽध्यायः 635 Sloka 17.—The term to denote a collection of 13 pearls that together weigh one Dharana is Pikka ; a col- lection of 16 is known as Pichcha; those of 20, 25, 30, 40, 55, and 80 and so forth are respectively Argha, Ardha, Ravaka, Siktha, Nigara, and Churna (or dust). एतद्गुणयुक्तानां धरणधृतानां प्रकीर्तितं मूल्यम् । परिकल्प्यमन्तराले हीनगुणानां क्षयः कार्यः ॥१८॥ कृष्णश्वेतकपीतकताम्राणामीषदपि च विषमाणाम् । त्र्यंशोनं विषमकपीतयोश्च षड्भागदलहीनम् ॥१९॥ Slokas 18-19.—The above is the price fixed for the various collections of pearls of good quality, weighing one Dharana. The price of intermediate groups of pearls will have to be found out proportionately; but suitable reductions in the prices of inferior pearls are to be made as given below :—The price of pearls that are slightly black, white, yellowish or copper-hued or slightly uneven (rough), is that given above reduced by a third; whereas that of utterly rough and yellow pearls is less by a sixth and a half respectively. ऐरावतकुलजानां पुष्यश्रवणेन्दुसूर्यदिवसेषु । ये चोत्तरायणभवा ग्रहणेऽर्केन्द्वोश्च भद्रेभाः ॥२०॥ तेषां किल जायन्ते मुक्ताः कुम्भेषु सरदकोशेषु । बहवो बृहत्प्रमाणा बहुसंस्थानाः प्रभायुक्ताः ॥२१॥ नैषामर्षः कार्यो न च वेधोऽतीव ते प्रभायुक्ताः । सुतविजयारोग्यकरा महापवित्रा धृता राज्ञाम् ॥२२॥ Slokas 20-22.—It is said that pearls are produced in the heads and the places where the tusks meet, of the elephants of Airavata's family at the Moon's conjunction with Pushya and Sravana synchronous with a Sunday or