Hadith 1588 a - The Book of Musaqah - Sahih Muslim - صحيح مسلم - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

22. The Book of Musaqah - كتاب المساقاة

15) Chapter: Exchange and Selling Gold for Silver on the spot

Abu Huraira (Allah be pleased with him) reported Allah's Messenger (ﷺ) as saying:

Dates are to be paid for by dates, wheat by wheat, barley by barley, salt by salt, like for like, payment being made on the spot. He who made an addition or demanded an addition, in fact, dealt in usury except in case where their classes differ.

Reference: 1588 a
English reference: Book 10, Hadith 3856
In-book reference: Book 22, Hadith 105
Grade: Sahih
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15) باب الصَّرْفِ وَبَيْعِ الذَّهَبِ بِالْوَرِقِ نَقْدًا ‏‏

حَدَّثَنَا أَبُو كُرَيْبٍ، مُحَمَّدُ بْنُ الْعَلاَءِ وَوَاصِلُ بْنُ عَبْدِ الأَعْلَى قَالاَ حَدَّثَنَا ابْنُ فُضَيْلٍ، عَنْ أَبِيهِ، عَنْ أَبِي زُرْعَةَ، عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏‏ ‏.‏ "‏ التَّمْرُ بِالتَّمْرِ وَالْحِنْطَةُ بِالْحِنْطَةِ وَالشَّعِيرُ بِالشَّعِيرِ وَالْمِلْحُ بِالْمِلْحِ مِثْلاً بِمِثْلٍ يَدًا بِيَدٍ فَمَنْ زَادَ أَوِ اسْتَزَادَ فَقَدْ أَرْبَى إِلاَّ مَا اخْتَلَفَتْ أَلْوَانُهُ ‏"